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/errors.h"
25#include "main/drawtex.h"
26#include "main/state.h"
27
28#include "main/mtypes.h"
29
30
31static void
32draw_texture(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
33             GLfloat width, GLfloat height)
34{
35   if (!ctx->Extensions.OES_draw_texture) {
36      _mesa_error(ctx, GL_INVALID_OPERATION,
37                  "glDrawTex(unsupported)");
38      return;
39   }
40   if (width <= 0.0f || height <= 0.0f) {
41      _mesa_error(ctx, GL_INVALID_VALUE, "glDrawTex(width or height <= 0)");
42      return;
43   }
44
45   _mesa_set_vp_override(ctx, GL_TRUE);
46
47   if (ctx->NewState)
48      _mesa_update_state(ctx);
49
50   assert(ctx->Driver.DrawTex);
51   ctx->Driver.DrawTex(ctx, x, y, z, width, height);
52
53   _mesa_set_vp_override(ctx, GL_FALSE);
54}
55
56
57void GLAPIENTRY
58_mesa_DrawTexfOES(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height)
59{
60   GET_CURRENT_CONTEXT(ctx);
61   draw_texture(ctx, x, y, z, width, height);
62}
63
64
65void GLAPIENTRY
66_mesa_DrawTexfvOES(const GLfloat *coords)
67{
68   GET_CURRENT_CONTEXT(ctx);
69   draw_texture(ctx, coords[0], coords[1], coords[2], coords[3], coords[4]);
70}
71
72
73void GLAPIENTRY
74_mesa_DrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height)
75{
76   GET_CURRENT_CONTEXT(ctx);
77   draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z,
78                (GLfloat) width, (GLfloat) height);
79}
80
81
82void GLAPIENTRY
83_mesa_DrawTexivOES(const GLint *coords)
84{
85   GET_CURRENT_CONTEXT(ctx);
86   draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1],
87                (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]);
88}
89
90
91void GLAPIENTRY
92_mesa_DrawTexsOES(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height)
93{
94   GET_CURRENT_CONTEXT(ctx);
95   draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z,
96                (GLfloat) width, (GLfloat) height);
97}
98
99
100void GLAPIENTRY
101_mesa_DrawTexsvOES(const GLshort *coords)
102{
103   GET_CURRENT_CONTEXT(ctx);
104   draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1],
105                (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]);
106}
107
108
109void GLAPIENTRY
110_mesa_DrawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height)
111{
112   GET_CURRENT_CONTEXT(ctx);
113   draw_texture(ctx,
114                (GLfloat) x / 65536.0f,
115                (GLfloat) y / 65536.0f,
116                (GLfloat) z / 65536.0f,
117                (GLfloat) width / 65536.0f,
118                (GLfloat) height / 65536.0f);
119}
120
121
122void GLAPIENTRY
123_mesa_DrawTexxv(const GLfixed *coords)
124{
125   GET_CURRENT_CONTEXT(ctx);
126   draw_texture(ctx,
127                (GLfloat) coords[0] / 65536.0f,
128                (GLfloat) coords[1] / 65536.0f,
129                (GLfloat) coords[2] / 65536.0f,
130                (GLfloat) coords[3] / 65536.0f,
131                (GLfloat) coords[4] / 65536.0f);
132}
133