1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Framebuffer/renderbuffer functions. 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \author Brian Paul 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/imports.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/context.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/fbobject.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/framebuffer.h" 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/macros.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/mfeatures.h" 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/renderbuffer.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_context.h" 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_defines.h" 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_screen.h" 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_context.h" 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_cb_fbo.h" 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_cb_flush.h" 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_cb_texture.h" 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_format.h" 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_texture.h" 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "st_manager.h" 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_format.h" 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_inlines.h" 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_surface.h" 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLboolean 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_renderbuffer_alloc_sw_storage(struct gl_context * ctx, 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer *rb, 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLenum internalFormat, 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint width, GLuint height) 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_screen *screen = st_context(ctx)->pipe->screen; 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = st_renderbuffer(rb); 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format format; 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size_t size; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org free(strb->data); 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->data = NULL; 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (internalFormat == GL_RGBA16_SNORM) { 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Special case for software accum buffers. Otherwise, if the 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * call to st_choose_renderbuffer_format() fails (because the 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * driver doesn't support signed 16-bit/channel colors) we'd 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * just return without allocating the software accum buffer. 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = PIPE_FORMAT_R16G16B16A16_SNORM; 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = st_choose_renderbuffer_format(screen, internalFormat, 0); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Not setting gl_renderbuffer::Format here will cause 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FRAMEBUFFER_UNSUPPORTED and ValidateFramebuffer will not be called. 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (format == PIPE_FORMAT_NONE) { 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_TRUE; 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Format = st_pipe_format_to_mesa_format(format); 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size = _mesa_format_image_size(strb->Base.Format, width, height, 1); 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->data = malloc(size); 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return strb->data != NULL; 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * gl_renderbuffer::AllocStorage() 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This is called to allocate the original drawing surface, and 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * during window resize. 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLboolean 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_renderbuffer_alloc_storage(struct gl_context * ctx, 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer *rb, 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLenum internalFormat, 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint width, GLuint height) 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe = st->pipe; 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_screen *screen = st->pipe->screen; 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = st_renderbuffer(rb); 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format format = PIPE_FORMAT_NONE; 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_surface surf_tmpl; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource templ; 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* init renderbuffer fields */ 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Width = width; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Height = height; 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base._BaseFormat = _mesa_base_fbo_format(ctx, internalFormat); 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->defined = GL_FALSE; /* undefined contents now */ 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb->software) { 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return st_renderbuffer_alloc_sw_storage(ctx, rb, internalFormat, 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org width, height); 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Free the old surface and texture 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_surface_reference( &strb->surface, NULL ); 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference( &strb->texture, NULL ); 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Handle multisample renderbuffers first. 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * From ARB_framebuffer_object: 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If <samples> is zero, then RENDERBUFFER_SAMPLES is set to zero. 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Otherwise <samples> represents a request for a desired minimum 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * number of samples. Since different implementations may support 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * different sample counts for multisampled rendering, the actual 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * number of samples allocated for the renderbuffer image is 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * implementation dependent. However, the resulting value for 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * RENDERBUFFER_SAMPLES is guaranteed to be greater than or equal 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to <samples> and no more than the next larger sample count supported 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * by the implementation. 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * So let's find the supported number of samples closest to NumSamples. 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * (NumSamples == 1) is treated the same as (NumSamples == 0). 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (rb->NumSamples > 1) { 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned i; 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = rb->NumSamples; i <= ctx->Const.MaxSamples; i++) { 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = st_choose_renderbuffer_format(screen, internalFormat, i); 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (format != PIPE_FORMAT_NONE) { 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb->NumSamples = i; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = st_choose_renderbuffer_format(screen, internalFormat, 0); 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Not setting gl_renderbuffer::Format here will cause 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FRAMEBUFFER_UNSUPPORTED and ValidateFramebuffer will not be called. 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (format == PIPE_FORMAT_NONE) { 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_TRUE; 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Format = st_pipe_format_to_mesa_format(format); 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (width == 0 || height == 0) { 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* if size is zero, nothing to allocate */ 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_TRUE; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Setup new texture template. 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&templ, 0, sizeof(templ)); 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.target = st->internal_target; 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.format = format; 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.width0 = width; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.height0 = height; 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.depth0 = 1; 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.array_size = 1; 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.nr_samples = rb->NumSamples; 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (util_format_is_depth_or_stencil(format)) { 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.bind = PIPE_BIND_DEPTH_STENCIL; 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (strb->Base.Name != 0) { 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* this is a user-created renderbuffer */ 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.bind = PIPE_BIND_RENDER_TARGET; 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* this is a window-system buffer */ 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org templ.bind = (PIPE_BIND_DISPLAY_TARGET | 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_RENDER_TARGET); 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->texture = screen->resource_create(screen, &templ); 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!strb->texture) 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return FALSE; 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org u_surface_default_template(&surf_tmpl, strb->texture, templ.bind); 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->surface = pipe->create_surface(pipe, 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->texture, 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &surf_tmpl); 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb->surface) { 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strb->surface->texture); 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strb->surface->format); 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strb->surface->width == width); 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strb->surface->height == height); 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return strb->surface != NULL; 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * gl_renderbuffer::Delete() 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_renderbuffer_delete(struct gl_context *ctx, struct gl_renderbuffer *rb) 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = st_renderbuffer(rb); 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx) { 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_surface_release(st->pipe, &strb->surface); 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference(&strb->texture, NULL); 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org free(strb->data); 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_delete_renderbuffer(ctx, rb); 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via ctx->Driver.NewFramebuffer() 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct gl_framebuffer * 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_new_framebuffer(struct gl_context *ctx, GLuint name) 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* XXX not sure we need to subclass gl_framebuffer for pipe */ 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return _mesa_new_framebuffer(ctx, name); 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via ctx->Driver.NewRenderbuffer() 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct gl_renderbuffer * 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_new_renderbuffer(struct gl_context *ctx, GLuint name) 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = ST_CALLOC_STRUCT(st_renderbuffer); 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb) { 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(name != 0); 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_init_renderbuffer(&strb->Base, name); 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Delete = st_renderbuffer_delete; 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.AllocStorage = st_renderbuffer_alloc_storage; 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &strb->Base; 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Allocate a renderbuffer for a an on-screen window (not a user-created 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * renderbuffer). The window system code determines the format. 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct gl_renderbuffer * 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw) 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb; 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb = ST_CALLOC_STRUCT(st_renderbuffer); 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!strb) { 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer"); 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_init_renderbuffer(&strb->Base, 0); 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.ClassID = 0x4242; /* just a unique value */ 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.NumSamples = samples; 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Format = st_pipe_format_to_mesa_format(format); 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base._BaseFormat = _mesa_get_format_base_format(strb->Base.Format); 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->software = sw; 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (format) { 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R8G8B8A8_UNORM: 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_B8G8R8A8_UNORM: 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_A8R8G8B8_UNORM: 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGBA8; 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R8G8B8X8_UNORM: 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_B8G8R8X8_UNORM: 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_X8R8G8B8_UNORM: 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGB8; 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_B5G5R5A1_UNORM: 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGB5_A1; 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_B4G4R4A4_UNORM: 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGBA4; 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_B5G6R5_UNORM: 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGB565; 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_Z16_UNORM: 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_DEPTH_COMPONENT16; 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_Z32_UNORM: 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_DEPTH_COMPONENT32; 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_Z24_UNORM_S8_UINT: 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_S8_UINT_Z24_UNORM: 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_Z24X8_UNORM: 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_X8Z24_UNORM: 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT; 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_S8_UINT: 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT; 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R16G16B16A16_SNORM: 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* accum buffer */ 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGBA16_SNORM; 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R8_UNORM: 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_R8; 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R8G8_UNORM: 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RG8; 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R16_UNORM: 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_R16; 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R16G16_UNORM: 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RG16; 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R32G32B32A32_FLOAT: 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGBA32F; 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case PIPE_FORMAT_R16G16B16A16_FLOAT: 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.InternalFormat = GL_RGBA16F; 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_problem(NULL, 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org "Unexpected format %s in st_new_renderbuffer_fb", 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_format_name(format)); 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org free(strb); 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* st-specific methods */ 358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Delete = st_renderbuffer_delete; 359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.AllocStorage = st_renderbuffer_alloc_storage; 360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* surface is allocated in st_renderbuffer_alloc_storage() */ 362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->surface = NULL; 363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &strb->Base; 365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via ctx->Driver.BindFramebufferEXT(). 370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_bind_framebuffer(struct gl_context *ctx, GLenum target, 373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_framebuffer *fb, struct gl_framebuffer *fbread) 374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* no-op */ 376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called by ctx->Driver.RenderTexture 381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_render_texture(struct gl_context *ctx, 384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_framebuffer *fb, 385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer_attachment *att) 386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe = st->pipe; 389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb; 390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer *rb; 391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource *pt; 392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_texture_object *stObj; 393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_texture_image *texImage; 394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_surface surf_tmpl; 395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!st_finalize_texture(ctx, pipe, att->Texture)) 397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pt = st_get_texobj_resource(att->Texture); 400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(pt); 401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* get pointer to texture image we're rendeing to */ 403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org texImage = _mesa_get_attachment_teximage(att); 404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* create new renderbuffer which wraps the texture image. 406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Use the texture's name as the renderbuffer's name so that we have 407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * something that's non-zero (to determine vertical orientation) and 408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * possibly helpful for debugging. 409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb = st_new_renderbuffer(ctx, att->Texture->Name); 411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!rb) { 412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()"); 413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_renderbuffer(&att->Renderbuffer, rb); 417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(rb->RefCount == 1); 418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb->AllocStorage = NULL; /* should not get called */ 419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb = st_renderbuffer(rb); 420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strb->Base.RefCount > 0); 422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* get the texture for the texture object */ 424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stObj = st_texture_object(att->Texture); 425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* point renderbuffer at texobject */ 427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt = stObj; 428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt_level = att->TextureLevel; 429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt_face = att->CubeMapFace; 430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt_slice = att->Zoffset; 431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb->Width = texImage->Width2; 433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb->Height = texImage->Height2; 434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb->_BaseFormat = texImage->_BaseFormat; 435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rb->InternalFormat = texImage->InternalFormat; 436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_resource_reference( &strb->texture, pt ); 438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_surface_release(pipe, &strb->surface); 440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strb->rtt_level <= strb->texture->last_level); 442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* new surface for rendering into the texture */ 444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memset(&surf_tmpl, 0, sizeof(surf_tmpl)); 445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org surf_tmpl.format = ctx->Color.sRGBEnabled 446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ? strb->texture->format : util_format_linear(strb->texture->format); 447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; 448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org surf_tmpl.u.tex.level = strb->rtt_level; 449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice; 450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice; 451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->surface = pipe->create_surface(pipe, 452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->texture, 453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &surf_tmpl); 454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Format = st_pipe_format_to_mesa_format(pt->format); 456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Invalidate buffer state so that the pipe's framebuffer state 458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * gets updated. 459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * That's where the new renderbuffer (which we just created) gets 460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * passed to the pipe as a (color/depth) render target. 461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_invalidate_state(ctx, _NEW_BUFFERS); 463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Need to trigger a call to update_framebuffer() since we just 466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * attached a new renderbuffer. 467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->NewState |= _NEW_BUFFERS; 469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via ctx->Driver.FinishRenderTexture. 474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_finish_render_texture(struct gl_context *ctx, 477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer_attachment *att) 478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = st_renderbuffer(att->Renderbuffer); 480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!strb) 482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt = NULL; 485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* restore previous framebuffer state */ 487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_invalidate_state(ctx, _NEW_BUFFERS); 488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** Debug helper */ 492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_fbo_invalid(const char *reason) 494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) { 496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_debug(NULL, "Invalid FBO: %s\n", reason); 497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Validate a renderbuffer attachment for a particular set of bindings. 503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLboolean 505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_validate_attachment(struct gl_context *ctx, 506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_screen *screen, 507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_renderbuffer_attachment *att, 508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned bindings) 509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct st_texture_object *stObj = st_texture_object(att->Texture); 511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format format; 512f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_format texFormat; 513f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLboolean valid; 514f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 515f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Only validate texture attachments for now, since 516f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * st_renderbuffer_alloc_storage makes sure that 517f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the format is supported. 518f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 519f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (att->Type != GL_TEXTURE) 520f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_TRUE; 521f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 522f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!stObj) 523f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_FALSE; 524f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 525f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = stObj->pt->format; 526f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org texFormat = _mesa_get_attachment_teximage_const(att)->TexFormat; 527f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 528f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* If the encoding is sRGB and sRGB rendering cannot be enabled, 529f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * check for linear format support instead. 530f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Later when we create a surface, we change the format to a linear one. */ 531f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!ctx->Extensions.EXT_framebuffer_sRGB && 532f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_get_format_color_encoding(texFormat) == GL_SRGB) { 533f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const gl_format linearFormat = _mesa_get_srgb_format_linear(texFormat); 534f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = st_mesa_format_to_pipe_format(linearFormat); 535f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 536f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 537f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org valid = screen->is_format_supported(screen, format, 538f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_TEXTURE_2D, 539f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stObj->pt->nr_samples, bindings); 540f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!valid) { 541f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_fbo_invalid("Invalid format"); 542f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 543f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 544f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return valid; 545f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 546f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 547f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 548f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 549f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Check if two renderbuffer attachments name a combined depth/stencil 550f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * renderbuffer. 551f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 552f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgGLboolean 553f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, 554f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_renderbuffer_attachment *stencil) 555f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 556f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(depth && stencil); 557f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 558f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth->Type == stencil->Type) { 559f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth->Type == GL_RENDERBUFFER_EXT && 560f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth->Renderbuffer == stencil->Renderbuffer) 561f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_TRUE; 562f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 563f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth->Type == GL_TEXTURE && 564f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth->Texture == stencil->Texture) 565f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_TRUE; 566f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 567f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 568f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_FALSE; 569f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 570f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 571f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 572f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 573f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Check that the framebuffer configuration is valid in terms of what 574f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the driver can support. 575f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 576f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * For Gallium we only supports combined Z+stencil, not separate buffers. 577f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 578f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 579f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb) 580f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 581f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 582f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_screen *screen = st->pipe->screen; 583f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_renderbuffer_attachment *depth = 584f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &fb->Attachment[BUFFER_DEPTH]; 585f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_renderbuffer_attachment *stencil = 586f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &fb->Attachment[BUFFER_STENCIL]; 587f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint i; 588f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format first_format = PIPE_FORMAT_NONE; 589f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean mixed_formats = 590f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org screen->get_param(screen, PIPE_CAP_MIXED_COLORBUFFER_FORMATS) != 0; 591f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 592f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth->Type && stencil->Type && depth->Type != stencil->Type) { 593f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_fbo_invalid("Different Depth/Stencil buffer formats"); 594f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 595f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 596f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 597f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth->Type == GL_RENDERBUFFER_EXT && 598f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil->Type == GL_RENDERBUFFER_EXT && 599f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth->Renderbuffer != stencil->Renderbuffer) { 600f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_fbo_invalid("Separate Depth/Stencil buffers"); 601f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 602f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 603f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 604f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth->Type == GL_TEXTURE && 605f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil->Type == GL_TEXTURE && 606f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth->Texture != stencil->Texture) { 607f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 608f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_fbo_invalid("Different Depth/Stencil textures"); 609f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 610f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 611f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 612f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!st_validate_attachment(ctx, 613f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org screen, 614f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth, 615f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_DEPTH_STENCIL)) { 616f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 617f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 618f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 619f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!st_validate_attachment(ctx, 620f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org screen, 621f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stencil, 622f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_DEPTH_STENCIL)) { 623f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 624f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 625f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 626f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < ctx->Const.MaxColorAttachments; i++) { 627f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer_attachment *att = 628f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org &fb->Attachment[BUFFER_COLOR0 + i]; 629f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format format; 630f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 631f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!st_validate_attachment(ctx, 632f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org screen, 633f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org att, 634f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org PIPE_BIND_RENDER_TARGET)) { 635f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 636f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 637f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 638f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 639f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!mixed_formats) { 640f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Disallow mixed formats. */ 641f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (att->Type != GL_NONE) { 642f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org format = st_renderbuffer(att->Renderbuffer)->surface->format; 643f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { 644f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org continue; 645f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 646f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 647f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (first_format == PIPE_FORMAT_NONE) { 648f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org first_format = format; 649f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else if (format != first_format) { 650f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; 651f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_fbo_invalid("Mixed color formats"); 652f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 653f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 654f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 655f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 656f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 657f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 658f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 659f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 660f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via glDrawBuffer. 661f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 662f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 663f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_DrawBuffers(struct gl_context *ctx, GLsizei count, const GLenum *buffers) 664f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 665f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 666f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_framebuffer *fb = ctx->DrawBuffer; 667f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint i; 668f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 669f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (void) count; 670f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (void) buffers; 671f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 672f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* add the renderbuffers on demand */ 673f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < fb->_NumColorDrawBuffers; i++) { 674f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i]; 675f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_manager_add_color_renderbuffer(st, fb, idx); 676f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 677f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 678f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 679f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 680f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 681f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via glReadBuffer. 682f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 683f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 684f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_ReadBuffer(struct gl_context *ctx, GLenum buffer) 685f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 686f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 687f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_framebuffer *fb = ctx->ReadBuffer; 688f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 689f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (void) buffer; 690f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 691f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* add the renderbuffer on demand */ 692f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); 693f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 694f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 695f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 696f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 697f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 698f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via ctx->Driver.MapRenderbuffer. 699f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 700f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 701f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_MapRenderbuffer(struct gl_context *ctx, 702f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer *rb, 703f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint x, GLuint y, GLuint w, GLuint h, 704f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLbitfield mode, 705f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLubyte **mapOut, GLint *rowStrideOut) 706f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 707f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 708f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = st_renderbuffer(rb); 709f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe = st->pipe; 710f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const GLboolean invert = rb->Name == 0; 711f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned usage; 712f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint y2; 713f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 714f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb->software) { 715f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* software-allocated renderbuffer (probably an accum buffer) */ 716f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb->data) { 717f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLint bpp = _mesa_get_format_bytes(strb->Base.Format); 718f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLint stride = _mesa_format_row_stride(strb->Base.Format, 719f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->Base.Width); 720f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *mapOut = (GLubyte *) strb->data + y * stride + x * bpp; 721f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *rowStrideOut = stride; 722f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 723f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 724f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *mapOut = NULL; 725f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *rowStrideOut = 0; 726f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 727f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 728f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 729f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 730f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage = 0x0; 731f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (mode & GL_MAP_READ_BIT) 732f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage |= PIPE_TRANSFER_READ; 733f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (mode & GL_MAP_WRITE_BIT) 734f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage |= PIPE_TRANSFER_WRITE; 735f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (mode & GL_MAP_INVALIDATE_RANGE_BIT) 736f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage |= PIPE_TRANSFER_DISCARD_RANGE; 737f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 738f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Note: y=0=bottom of buffer while y2=0=top of buffer. 739f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 'invert' will be true for window-system buffers and false for 740f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * user-allocated renderbuffers and textures. 741f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 742f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (invert) 743f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y2 = strb->Base.Height - y - h; 744f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 745f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org y2 = y; 746f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 747f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->transfer = pipe_get_transfer(pipe, 748f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->texture, 749f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt_level, 750f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->rtt_face + strb->rtt_slice, 751f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org usage, x, y2, w, h); 752f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb->transfer) { 753f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLubyte *map = pipe_transfer_map(pipe, strb->transfer); 754f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (invert) { 755f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *rowStrideOut = -strb->transfer->stride; 756f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org map += (h - 1) * strb->transfer->stride; 757f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 758f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 759f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *rowStrideOut = strb->transfer->stride; 760f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 761f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *mapOut = map; 762f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 763f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 764f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *mapOut = NULL; 765f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *rowStrideOut = 0; 766f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 767f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 768f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 769f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 770f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 771f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Called via ctx->Driver.UnmapRenderbuffer. 772f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 773f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 774f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_UnmapRenderbuffer(struct gl_context *ctx, 775f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_renderbuffer *rb) 776f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 777f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *st = st_context(ctx); 778f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_renderbuffer *strb = st_renderbuffer(rb); 779f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe = st->pipe; 780f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 781f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strb->software) { 782f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* software-allocated renderbuffer (probably an accum buffer) */ 783f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return; 784f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 785f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 786f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_transfer_unmap(pipe, strb->transfer); 787f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe->transfer_destroy(pipe, strb->transfer); 788f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strb->transfer = NULL; 789f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 790f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 791f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 792f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 793f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid st_init_fbo_functions(struct dd_function_table *functions) 794f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 795f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_EXT_framebuffer_object 796f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->NewFramebuffer = st_new_framebuffer; 797f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->NewRenderbuffer = st_new_renderbuffer; 798f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->BindFramebuffer = st_bind_framebuffer; 799f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer; 800f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->RenderTexture = st_render_texture; 801f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->FinishRenderTexture = st_finish_render_texture; 802f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->ValidateFramebuffer = st_validate_framebuffer; 803f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 804f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 805f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->DrawBuffers = st_DrawBuffers; 806f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->ReadBuffer = st_ReadBuffer; 807f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 808f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->MapRenderbuffer = st_MapRenderbuffer; 809f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->UnmapRenderbuffer = st_UnmapRenderbuffer; 810f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 811f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 812f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 813