1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa 3-D graphics library 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 2011 VMware, Inc. 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 "Software"), 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be included 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in all copies or substantial portions of the Software. 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef SAMPLEROBJ_H 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define SAMPLEROBJ_H 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct dd_function_table; 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline struct gl_sampler_object * 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_get_samplerobj(struct gl_context *ctx, GLuint unit) 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Texture.Unit[unit].Sampler) 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ctx->Texture.Unit[unit].Sampler; 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (ctx->Texture.Unit[unit]._Current) 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return &ctx->Texture.Unit[unit]._Current->Sampler; 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** Does the given filter state do mipmap filtering? */ 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline GLboolean 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_is_mipmap_filter(const struct gl_sampler_object *samp) 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return samp->MinFilter != GL_NEAREST && samp->MinFilter != GL_LINEAR; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_reference_sampler_object_(struct gl_context *ctx, 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_sampler_object **ptr, 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_sampler_object *samp); 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic inline void 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_reference_sampler_object(struct gl_context *ctx, 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_sampler_object **ptr, 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_sampler_object *samp) 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*ptr != samp) 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_reference_sampler_object_(ctx, ptr, samp); 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_init_sampler_object(struct gl_sampler_object *sampObj, GLuint name); 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern struct gl_sampler_object * 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_new_sampler_object(struct gl_context *ctx, GLuint name); 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_delete_sampler_object(struct gl_context *ctx, 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_sampler_object *sampObj); 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_init_sampler_object_functions(struct dd_function_table *driver); 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_init_sampler_object_dispatch(struct _glapi_table *disp); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void GLAPIENTRY 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_BindSampler(GLuint unit, GLuint sampler); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void GLAPIENTRY 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_GenSamplers(GLsizei count, GLuint *samplers); 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void GLAPIENTRY 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_DeleteSamplers(GLsizei count, const GLuint *samplers); 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void GLAPIENTRY 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param); 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* SAMPLEROBJ_H */ 95