diff options
Diffstat (limited to 'mesalib/src/mesa/main/drawtex.c')
| -rw-r--r-- | mesalib/src/mesa/main/drawtex.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/drawtex.c b/mesalib/src/mesa/main/drawtex.c new file mode 100644 index 000000000..c2ad5f238 --- /dev/null +++ b/mesalib/src/mesa/main/drawtex.c @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2009 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "main/drawtex.h" +#include "main/state.h" +#include "main/imports.h" + + +#if FEATURE_OES_draw_texture + + +static void +draw_texture(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z, + GLfloat width, GLfloat height) +{ + if (!ctx->Extensions.OES_draw_texture) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawTex(unsupported)"); + return; + } + if (width <= 0.0f || height <= 0.0f) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDrawTex(width or height <= 0)"); + return; + } + + if (ctx->NewState) + _mesa_update_state(ctx); + + ASSERT(ctx->Driver.DrawTex); + ctx->Driver.DrawTex(ctx, x, y, z, width, height); +} + + +void GLAPIENTRY +_mesa_DrawTexf(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, x, y, z, width, height); +} + + +void GLAPIENTRY +_mesa_DrawTexfv(const GLfloat *coords) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, coords[0], coords[1], coords[2], coords[3], coords[4]); +} + + +void GLAPIENTRY +_mesa_DrawTexi(GLint x, GLint y, GLint z, GLint width, GLint height) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z, + (GLfloat) width, (GLfloat) height); +} + + +void GLAPIENTRY +_mesa_DrawTexiv(const GLint *coords) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1], + (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]); +} + + +void GLAPIENTRY +_mesa_DrawTexs(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z, + (GLfloat) width, (GLfloat) height); +} + + +void GLAPIENTRY +_mesa_DrawTexsv(const GLshort *coords) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1], + (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]); +} + + +void GLAPIENTRY +_mesa_DrawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, + (GLfloat) x / 65536.0f, + (GLfloat) y / 65536.0f, + (GLfloat) z / 65536.0f, + (GLfloat) width / 65536.0f, + (GLfloat) height / 65536.0f); +} + + +void GLAPIENTRY +_mesa_DrawTexxv(const GLfixed *coords) +{ + GET_CURRENT_CONTEXT(ctx); + draw_texture(ctx, + (GLfloat) coords[0] / 65536.0f, + (GLfloat) coords[1] / 65536.0f, + (GLfloat) coords[2] / 65536.0f, + (GLfloat) coords[3] / 65536.0f, + (GLfloat) coords[4] / 65536.0f); +} + +#endif /* FEATURE_OES_draw_texture */ |