diff options
author | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-09-21 13:26:50 +0200 |
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committer | Nicolai Hähnle <nhaehnle@gmail.com> | 2009-09-21 13:26:50 +0200 |
commit | 81c7561d9d3faf70ac22c6a5f3fbea18f53eed92 (patch) | |
tree | 5ec097e0e1fe99804104d3a56923c16edf1533aa /src/mesa/swrast/s_texstore.c | |
parent | f02f63997ce65530788a6dfcb28f11790a14d938 (diff) | |
parent | 3083ba38f4c884b32cd0460607b5064b6b7008d2 (diff) |
Merge branch 'master' into r300-compiler
There were additional non-textual conflicts.
Conflicts:
src/gallium/drivers/r300/r300_tgsi_to_rc.c
src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c
src/mesa/drivers/dri/r300/compiler/radeon_program.c
src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
Diffstat (limited to 'src/mesa/swrast/s_texstore.c')
-rw-r--r-- | src/mesa/swrast/s_texstore.c | 601 |
1 files changed, 0 insertions, 601 deletions
diff --git a/src/mesa/swrast/s_texstore.c b/src/mesa/swrast/s_texstore.c deleted file mode 100644 index f9ff9ad6a4..0000000000 --- a/src/mesa/swrast/s_texstore.c +++ /dev/null @@ -1,601 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.2 - * - * Copyright (C) 1999-2006 Brian Paul 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, 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 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 - * BRIAN PAUL 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. - */ - -/* - * Authors: - * Brian Paul - */ - - -/* - * The functions in this file are mostly related to software texture fallbacks. - * This includes texture image transfer/packing and texel fetching. - * Hardware drivers will likely override most of this. - */ - - - -#include "main/glheader.h" -#include "main/imports.h" -#include "main/colormac.h" -#include "main/context.h" -#include "main/convolve.h" -#include "main/image.h" -#include "main/macros.h" -#include "main/mipmap.h" -#include "main/texformat.h" -#include "main/teximage.h" -#include "main/texstore.h" - -#include "s_context.h" -#include "s_depth.h" -#include "s_span.h" - - -/** - * Read an RGBA image from the frame buffer. - * This is used by glCopyTex[Sub]Image[12]D(). - * \param x window source x - * \param y window source y - * \param width image width - * \param height image height - * \param type datatype for returned GL_RGBA image - * \return pointer to image - */ -static GLvoid * -read_color_image( GLcontext *ctx, GLint x, GLint y, GLenum type, - GLsizei width, GLsizei height ) -{ - struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; - const GLint pixelSize = _mesa_bytes_per_pixel(GL_RGBA, type); - const GLint stride = width * pixelSize; - GLint row; - GLubyte *image, *dst; - - image = (GLubyte *) _mesa_malloc(width * height * pixelSize); - if (!image) - return NULL; - - swrast_render_start(ctx); - - dst = image; - for (row = 0; row < height; row++) { - _swrast_read_rgba_span(ctx, rb, width, x, y + row, type, dst); - dst += stride; - } - - swrast_render_finish(ctx); - - return image; -} - - -/** - * As above, but read data from depth buffer. Returned as GLuints. - * \sa read_color_image - */ -static GLuint * -read_depth_image( GLcontext *ctx, GLint x, GLint y, - GLsizei width, GLsizei height ) -{ - struct gl_renderbuffer *rb = ctx->ReadBuffer->_DepthBuffer; - GLuint *image, *dst; - GLint i; - - image = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint)); - if (!image) - return NULL; - - swrast_render_start(ctx); - - dst = image; - for (i = 0; i < height; i++) { - _swrast_read_depth_span_uint(ctx, rb, width, x, y + i, dst); - dst += width; - } - - swrast_render_finish(ctx); - - return image; -} - - -/** - * As above, but read data from depth+stencil buffers. - */ -static GLuint * -read_depth_stencil_image(GLcontext *ctx, GLint x, GLint y, - GLsizei width, GLsizei height) -{ - struct gl_renderbuffer *depthRb = ctx->ReadBuffer->_DepthBuffer; - struct gl_renderbuffer *stencilRb = ctx->ReadBuffer->_StencilBuffer; - GLuint *image, *dst; - GLint i; - - ASSERT(depthRb); - ASSERT(stencilRb); - - image = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint)); - if (!image) - return NULL; - - swrast_render_start(ctx); - - /* read from depth buffer */ - dst = image; - if (depthRb->DataType == GL_UNSIGNED_INT) { - for (i = 0; i < height; i++) { - _swrast_get_row(ctx, depthRb, width, x, y + i, dst, sizeof(GLuint)); - dst += width; - } - } - else { - GLushort z16[MAX_WIDTH]; - ASSERT(depthRb->DataType == GL_UNSIGNED_SHORT); - for (i = 0; i < height; i++) { - GLint j; - _swrast_get_row(ctx, depthRb, width, x, y + i, z16, sizeof(GLushort)); - /* convert GLushorts to GLuints */ - for (j = 0; j < width; j++) { - dst[j] = z16[j]; - } - dst += width; - } - } - - /* put depth values into bits 0xffffff00 */ - if (ctx->ReadBuffer->Visual.depthBits == 24) { - GLint j; - for (j = 0; j < width * height; j++) { - image[j] <<= 8; - } - } - else if (ctx->ReadBuffer->Visual.depthBits == 16) { - GLint j; - for (j = 0; j < width * height; j++) { - image[j] = (image[j] << 16) | (image[j] & 0xff00); - } - } - else { - /* this handles arbitrary depthBits >= 12 */ - const GLint rShift = ctx->ReadBuffer->Visual.depthBits; - const GLint lShift = 32 - rShift; - GLint j; - for (j = 0; j < width * height; j++) { - GLuint z = (image[j] << lShift); - image[j] = z | (z >> rShift); - } - } - - /* read stencil values and interleave into image array */ - dst = image; - for (i = 0; i < height; i++) { - GLstencil stencil[MAX_WIDTH]; - GLint j; - ASSERT(8 * sizeof(GLstencil) == stencilRb->StencilBits); - _swrast_get_row(ctx, stencilRb, width, x, y + i, - stencil, sizeof(GLstencil)); - for (j = 0; j < width; j++) { - dst[j] = (dst[j] & 0xffffff00) | (stencil[j] & 0xff); - } - dst += width; - } - - swrast_render_finish(ctx); - - return image; -} - - -static GLboolean -is_depth_format(GLenum format) -{ - switch (format) { - case GL_DEPTH_COMPONENT: - case GL_DEPTH_COMPONENT16: - case GL_DEPTH_COMPONENT24: - case GL_DEPTH_COMPONENT32: - return GL_TRUE; - default: - return GL_FALSE; - } -} - - -static GLboolean -is_depth_stencil_format(GLenum format) -{ - switch (format) { - case GL_DEPTH_STENCIL_EXT: - case GL_DEPTH24_STENCIL8_EXT: - return GL_TRUE; - default: - return GL_FALSE; - } -} - - -/* - * Fallback for Driver.CopyTexImage1D(). - */ -void -_swrast_copy_teximage1d( GLcontext *ctx, GLenum target, GLint level, - GLenum internalFormat, - GLint x, GLint y, GLsizei width, GLint border ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - struct gl_texture_image *texImage; - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - texObj = _mesa_select_tex_object(ctx, texUnit, target); - ASSERT(texObj); - texImage = _mesa_select_tex_image(ctx, texObj, target, level); - ASSERT(texImage); - - ASSERT(ctx->Driver.TexImage1D); - - if (is_depth_format(internalFormat)) { - /* read depth image from framebuffer */ - GLuint *image = read_depth_image(ctx, x, y, width, 1); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D"); - return; - } - /* call glTexImage1D to redefine the texture */ - ctx->Driver.TexImage1D(ctx, target, level, internalFormat, - width, border, - GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else if (is_depth_stencil_format(internalFormat)) { - /* read depth/stencil image from framebuffer */ - GLuint *image = read_depth_stencil_image(ctx, x, y, width, 1); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D"); - return; - } - /* call glTexImage1D to redefine the texture */ - ctx->Driver.TexImage1D(ctx, target, level, internalFormat, - width, border, - GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, - image, &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else { - /* read RGBA image from framebuffer */ - const GLenum format = GL_RGBA; - const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType; - GLvoid *image = read_color_image(ctx, x, y, type, width, 1); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D"); - return; - } - /* call glTexImage1D to redefine the texture */ - ctx->Driver.TexImage1D(ctx, target, level, internalFormat, - width, border, format, type, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - ctx->Driver.GenerateMipmap(ctx, target, texObj); - } -} - - -/** - * Fallback for Driver.CopyTexImage2D(). - * - * We implement CopyTexImage by reading the image from the framebuffer - * then passing it to the ctx->Driver.TexImage2D() function. - * - * Device drivers should try to implement direct framebuffer->texture copies. - */ -void -_swrast_copy_teximage2d( GLcontext *ctx, GLenum target, GLint level, - GLenum internalFormat, - GLint x, GLint y, GLsizei width, GLsizei height, - GLint border ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - struct gl_texture_image *texImage; - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - texObj = _mesa_select_tex_object(ctx, texUnit, target); - ASSERT(texObj); - texImage = _mesa_select_tex_image(ctx, texObj, target, level); - ASSERT(texImage); - - ASSERT(ctx->Driver.TexImage2D); - - if (is_depth_format(internalFormat)) { - /* read depth image from framebuffer */ - GLuint *image = read_depth_image(ctx, x, y, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D"); - return; - } - /* call glTexImage2D to redefine the texture */ - ctx->Driver.TexImage2D(ctx, target, level, internalFormat, - width, height, border, - GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else if (is_depth_stencil_format(internalFormat)) { - GLuint *image = read_depth_stencil_image(ctx, x, y, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D"); - return; - } - /* call glTexImage2D to redefine the texture */ - ctx->Driver.TexImage2D(ctx, target, level, internalFormat, - width, height, border, - GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, - image, &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else { - /* read RGBA image from framebuffer */ - const GLenum format = GL_RGBA; - const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType; - GLvoid *image = read_color_image(ctx, x, y, type, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D"); - return; - } - /* call glTexImage2D to redefine the texture */ - ctx->Driver.TexImage2D(ctx, target, level, internalFormat, - width, height, border, format, type, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - ctx->Driver.GenerateMipmap(ctx, target, texObj); - } -} - - -/* - * Fallback for Driver.CopyTexSubImage1D(). - */ -void -_swrast_copy_texsubimage1d( GLcontext *ctx, GLenum target, GLint level, - GLint xoffset, GLint x, GLint y, GLsizei width ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - struct gl_texture_image *texImage; - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - texObj = _mesa_select_tex_object(ctx, texUnit, target); - ASSERT(texObj); - texImage = _mesa_select_tex_image(ctx, texObj, target, level); - ASSERT(texImage); - - ASSERT(ctx->Driver.TexImage1D); - - if (texImage->_BaseFormat == GL_DEPTH_COMPONENT) { - /* read depth image from framebuffer */ - GLuint *image = read_depth_image(ctx, x, y, width, 1); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage1D"); - return; - } - - /* call glTexSubImage1D to redefine the texture */ - ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width, - GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else if (texImage->_BaseFormat == GL_DEPTH_STENCIL_EXT) { - /* read depth/stencil image from framebuffer */ - GLuint *image = read_depth_stencil_image(ctx, x, y, width, 1); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage1D"); - return; - } - /* call glTexImage1D to redefine the texture */ - ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width, - GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, - image, &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else { - /* read RGBA image from framebuffer */ - const GLenum format = GL_RGBA; - const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType; - GLvoid *image = read_color_image(ctx, x, y, type, width, 1); - if (!image) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage1D" ); - return; - } - /* now call glTexSubImage1D to do the real work */ - ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width, - format, type, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - ctx->Driver.GenerateMipmap(ctx, target, texObj); - } -} - - -/** - * Fallback for Driver.CopyTexSubImage2D(). - * - * Read the image from the framebuffer then hand it - * off to ctx->Driver.TexSubImage2D(). - */ -void -_swrast_copy_texsubimage2d( GLcontext *ctx, - GLenum target, GLint level, - GLint xoffset, GLint yoffset, - GLint x, GLint y, GLsizei width, GLsizei height ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - struct gl_texture_image *texImage; - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - texObj = _mesa_select_tex_object(ctx, texUnit, target); - ASSERT(texObj); - texImage = _mesa_select_tex_image(ctx, texObj, target, level); - ASSERT(texImage); - - ASSERT(ctx->Driver.TexImage2D); - - if (texImage->_BaseFormat == GL_DEPTH_COMPONENT) { - /* read depth image from framebuffer */ - GLuint *image = read_depth_image(ctx, x, y, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D"); - return; - } - /* call glTexImage2D to redefine the texture */ - ctx->Driver.TexSubImage2D(ctx, target, level, - xoffset, yoffset, width, height, - GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else if (texImage->_BaseFormat == GL_DEPTH_STENCIL_EXT) { - /* read depth/stencil image from framebuffer */ - GLuint *image = read_depth_stencil_image(ctx, x, y, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D"); - return; - } - /* call glTexImage2D to redefine the texture */ - ctx->Driver.TexSubImage2D(ctx, target, level, - xoffset, yoffset, width, height, - GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, - image, &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else { - /* read RGBA image from framebuffer */ - const GLenum format = GL_RGBA; - const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType; - GLvoid *image = read_color_image(ctx, x, y, type, width, height); - if (!image) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D" ); - return; - } - /* now call glTexSubImage2D to do the real work */ - ctx->Driver.TexSubImage2D(ctx, target, level, - xoffset, yoffset, width, height, - format, type, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - ctx->Driver.GenerateMipmap(ctx, target, texObj); - } -} - - -/* - * Fallback for Driver.CopyTexSubImage3D(). - */ -void -_swrast_copy_texsubimage3d( GLcontext *ctx, - GLenum target, GLint level, - GLint xoffset, GLint yoffset, GLint zoffset, - GLint x, GLint y, GLsizei width, GLsizei height ) -{ - struct gl_texture_unit *texUnit; - struct gl_texture_object *texObj; - struct gl_texture_image *texImage; - - texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - texObj = _mesa_select_tex_object(ctx, texUnit, target); - ASSERT(texObj); - texImage = _mesa_select_tex_image(ctx, texObj, target, level); - ASSERT(texImage); - - ASSERT(ctx->Driver.TexImage3D); - - if (texImage->_BaseFormat == GL_DEPTH_COMPONENT) { - /* read depth image from framebuffer */ - GLuint *image = read_depth_image(ctx, x, y, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D"); - return; - } - /* call glTexImage3D to redefine the texture */ - ctx->Driver.TexSubImage3D(ctx, target, level, - xoffset, yoffset, zoffset, width, height, 1, - GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else if (texImage->_BaseFormat == GL_DEPTH_STENCIL_EXT) { - /* read depth/stencil image from framebuffer */ - GLuint *image = read_depth_stencil_image(ctx, x, y, width, height); - if (!image) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D"); - return; - } - /* call glTexImage3D to redefine the texture */ - ctx->Driver.TexSubImage3D(ctx, target, level, - xoffset, yoffset, zoffset, width, height, 1, - GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, - image, &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - else { - /* read RGBA image from framebuffer */ - const GLenum format = GL_RGBA; - const GLenum type = ctx->ReadBuffer->_ColorReadBuffer->DataType; - GLvoid *image = read_color_image(ctx, x, y, type, width, height); - if (!image) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D" ); - return; - } - /* now call glTexSubImage3D to do the real work */ - ctx->Driver.TexSubImage3D(ctx, target, level, - xoffset, yoffset, zoffset, width, height, 1, - format, type, image, - &ctx->DefaultPacking, texObj, texImage); - _mesa_free(image); - } - - /* GL_SGIS_generate_mipmap */ - if (level == texObj->BaseLevel && texObj->GenerateMipmap) { - ctx->Driver.GenerateMipmap(ctx, target, texObj); - } -} |