1/*
2 * Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#include "main/drawtex.h"
25#include "main/state.h"
26#include "main/imports.h"
27#include "main/mtypes.h"
28
29
30static void
31draw_texture(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
32             GLfloat width, GLfloat height)
33{
34   if (!ctx->Extensions.OES_draw_texture) {
35      _mesa_error(ctx, GL_INVALID_OPERATION,
36                  "glDrawTex(unsupported)");
37      return;
38   }
39   if (width <= 0.0f || height <= 0.0f) {
40      _mesa_error(ctx, GL_INVALID_VALUE, "glDrawTex(width or height <= 0)");
41      return;
42   }
43
44   _mesa_set_vp_override(ctx, GL_TRUE);
45
46   if (ctx->NewState)
47      _mesa_update_state(ctx);
48
49   assert(ctx->Driver.DrawTex);
50   ctx->Driver.DrawTex(ctx, x, y, z, width, height);
51
52   _mesa_set_vp_override(ctx, GL_FALSE);
53}
54
55
56void GLAPIENTRY
57_mesa_DrawTexfOES(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height)
58{
59   GET_CURRENT_CONTEXT(ctx);
60   draw_texture(ctx, x, y, z, width, height);
61}
62
63
64void GLAPIENTRY
65_mesa_DrawTexfvOES(const GLfloat *coords)
66{
67   GET_CURRENT_CONTEXT(ctx);
68   draw_texture(ctx, coords[0], coords[1], coords[2], coords[3], coords[4]);
69}
70
71
72void GLAPIENTRY
73_mesa_DrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height)
74{
75   GET_CURRENT_CONTEXT(ctx);
76   draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z,
77                (GLfloat) width, (GLfloat) height);
78}
79
80
81void GLAPIENTRY
82_mesa_DrawTexivOES(const GLint *coords)
83{
84   GET_CURRENT_CONTEXT(ctx);
85   draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1],
86                (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]);
87}
88
89
90void GLAPIENTRY
91_mesa_DrawTexsOES(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height)
92{
93   GET_CURRENT_CONTEXT(ctx);
94   draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z,
95                (GLfloat) width, (GLfloat) height);
96}
97
98
99void GLAPIENTRY
100_mesa_DrawTexsvOES(const GLshort *coords)
101{
102   GET_CURRENT_CONTEXT(ctx);
103   draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1],
104                (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]);
105}
106
107
108void GLAPIENTRY
109_mesa_DrawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height)
110{
111   GET_CURRENT_CONTEXT(ctx);
112   draw_texture(ctx,
113                (GLfloat) x / 65536.0f,
114                (GLfloat) y / 65536.0f,
115                (GLfloat) z / 65536.0f,
116                (GLfloat) width / 65536.0f,
117                (GLfloat) height / 65536.0f);
118}
119
120
121void GLAPIENTRY
122_mesa_DrawTexxv(const GLfixed *coords)
123{
124   GET_CURRENT_CONTEXT(ctx);
125   draw_texture(ctx,
126                (GLfloat) coords[0] / 65536.0f,
127                (GLfloat) coords[1] / 65536.0f,
128                (GLfloat) coords[2] / 65536.0f,
129                (GLfloat) coords[3] / 65536.0f,
130                (GLfloat) coords[4] / 65536.0f);
131}
132