diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_teximage.c | 265 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_cb_teximage.h | 38 |
2 files changed, 303 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_teximage.c b/src/mesa/state_tracker/st_cb_teximage.c new file mode 100644 index 00000000000..5d651d96bc3 --- /dev/null +++ b/src/mesa/state_tracker/st_cb_teximage.c @@ -0,0 +1,265 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + + +/** + * Texture Image-related functions. + * \author Brian Paul + */ + +#include "main/imports.h" +#include "main/context.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "st_context.h" +#include "st_cb_teximage.h" + + +/** + * Search list of formats for first RGBA format. + */ +static GLuint +default_rgba_format(const GLuint formats[], GLuint num) +{ + GLuint i; + for (i = 0; i < num; i++) { + if (formats[i] == PIPE_FORMAT_U_R8_G8_B8_A8 || + formats[i] == PIPE_FORMAT_U_A8_R8_G8_B8 || + formats[i] == PIPE_FORMAT_U_R5_G6_B5) { + return formats[i]; + } + } + return PIPE_FORMAT_NONE; +} + + +/** + * Search list of formats for first depth/Z format. + */ +static GLuint +default_depth_format(const GLuint formats[], GLuint num) +{ + GLuint i; + for (i = 0; i < num; i++) { + if (formats[i] == PIPE_FORMAT_U_Z16 || + formats[i] == PIPE_FORMAT_U_Z32 || + formats[i] == PIPE_FORMAT_S8_Z24) { + return formats[i]; + } + } + return PIPE_FORMAT_NONE; +} + + +/** + * Choose the PIPE_FORMAT_ to use for storing a texture image based + * on the user's internalFormat, format and type parameters. + * We query the pipe device for a list of formats which it supports + * and choose from them. + * If we find a device that needs a more intricate selection mechanism, + * this function _could_ get pushed down into the pipe device. + * + * \return PIPE_FORMAT_NONE if error/problem. + */ +static GLuint +choose_tex_format(struct pipe_context *pipe, GLint internalFormat, + GLenum format, GLenum type) +{ + const GLuint *supported; + GLboolean allow[PIPE_FORMAT_COUNT]; + GLuint i, n; + + /* query supported formats and fill in bool allow[] table */ + supported = pipe->supported_formats(pipe, &n); + assert(n < PIPE_FORMAT_COUNT); /* sanity check */ + memset(allow, 0, sizeof(allow)); + for (i = 0; i < n; i++) { + allow[supported[i]] = 1; + } + + switch (internalFormat) { + case 4: + case GL_RGBA: + case GL_COMPRESSED_RGBA: + if (format == GL_BGRA) { + if (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) { + if (allow[PIPE_FORMAT_U_A8_R8_G8_B8]) + return PIPE_FORMAT_U_A8_R8_G8_B8; + } + else if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) { + /* + if (allow[PIPE_FORMAT_U_A4_R4_G4_B4]) + return PIPE_FORMAT_U_A4_R4_G4_B4; + */ + } + else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { + /* + if (allow[PIPE_FORMAT_U_A1_R5_G5_B5]) + return PIPE_FORMAT_U_A1_R5_G5_B5; + */ + } + } + return default_rgba_format(supported, n); +#if 0 + case 3: + case GL_RGB: + case GL_COMPRESSED_RGB: + if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) { + return &_mesa_texformat_rgb565; + } + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565; + + case GL_RGBA8: + case GL_RGB10_A2: + case GL_RGBA12: + case GL_RGBA16: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + + case GL_RGBA4: + case GL_RGBA2: + return &_mesa_texformat_argb4444; + + case GL_RGB5_A1: + return &_mesa_texformat_argb1555; + + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + return &_mesa_texformat_argb8888; + + case GL_RGB5: + case GL_RGB4: + case GL_R3_G3_B2: + return &_mesa_texformat_rgb565; + + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + case GL_COMPRESSED_ALPHA: + return &_mesa_texformat_a8; + + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + case GL_COMPRESSED_LUMINANCE: + return &_mesa_texformat_l8; + + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE4_ALPHA4: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + case GL_COMPRESSED_LUMINANCE_ALPHA: + return &_mesa_texformat_al88; + + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + case GL_COMPRESSED_INTENSITY: + return &_mesa_texformat_i8; + + case GL_YCBCR_MESA: + if (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE) + return &_mesa_texformat_ycbcr; + else + return &_mesa_texformat_ycbcr_rev; + + case GL_COMPRESSED_RGB_FXT1_3DFX: + return &_mesa_texformat_rgb_fxt1; + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return &_mesa_texformat_rgba_fxt1; + + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + return &_mesa_texformat_rgb_dxt1; + + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + return &_mesa_texformat_rgba_dxt1; + + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + return &_mesa_texformat_rgba_dxt3; + + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + return &_mesa_texformat_rgba_dxt5; +#endif + + case GL_DEPTH_COMPONENT16: + if (allow[PIPE_FORMAT_U_Z16]) + return PIPE_FORMAT_U_Z16; + /* fall-through */ + case GL_DEPTH_COMPONENT24: + if (allow[PIPE_FORMAT_S8_Z24]) + return PIPE_FORMAT_S8_Z24; + /* fall-through */ + case GL_DEPTH_COMPONENT32: + if (allow[PIPE_FORMAT_U_Z32]) + return PIPE_FORMAT_U_Z32; + /* fall-through */ + case GL_DEPTH_COMPONENT: + return default_depth_format(supported, n); + + +#if 0 + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + return &_mesa_texformat_z24_s8; +#endif + default: + return PIPE_FORMAT_NONE; + } +} + + + +void st_init_cb_teximage( struct st_context *st ) +{ + /* + struct dd_function_table *functions = &st->ctx->Driver; + + functions->TexImage2D = st_teximage2d; + */ +} + + +void st_destroy_cb_teximage( struct st_context *st ) +{ +} diff --git a/src/mesa/state_tracker/st_cb_teximage.h b/src/mesa/state_tracker/st_cb_teximage.h new file mode 100644 index 00000000000..6e62a2e3c91 --- /dev/null +++ b/src/mesa/state_tracker/st_cb_teximage.h @@ -0,0 +1,38 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + + +#ifndef ST_CB_TEXIMAGE_H +#define ST_CB_TEXIMAGE_H + + +extern void st_init_cb_teximage( struct st_context *st ); + +extern void st_destroy_cb_teximage( struct st_context *st ); + + +#endif /* ST_CB_TEXIMAGE_H */ |