summaryrefslogtreecommitdiffstats
path: root/src/mesa/main/texstore.c
diff options
context:
space:
mode:
authorKeith Whitwell <[email protected]>2001-03-19 02:25:35 +0000
committerKeith Whitwell <[email protected]>2001-03-19 02:25:35 +0000
commit709892459922a32096fe9dd8261d0d92337bb02f (patch)
tree87782215d4531207c97b236a5dfa0d15c45aef8a /src/mesa/main/texstore.c
parentd9bf6ccce9f5fea22d6a478c4afafea3c3c525c5 (diff)
Split driver struct into swrast/tnl/core components.
Diffstat (limited to 'src/mesa/main/texstore.c')
-rw-r--r--src/mesa/main/texstore.c356
1 files changed, 1 insertions, 355 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 2b0c61aa192..66f47b889e2 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -1,4 +1,4 @@
-/* $Id: texstore.c,v 1.15 2001/03/18 14:06:25 gareth Exp $ */
+/* $Id: texstore.c,v 1.16 2001/03/19 02:25:35 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -47,8 +47,6 @@
#include "texformat.h"
#include "teximage.h"
#include "texstore.h"
-#include "swrast/s_depth.h" /* XXX this is kind of a cheat */
-#include "swrast/s_span.h"
/*
@@ -579,358 +577,6 @@ _mesa_store_texsubimage3d(GLcontext *ctx, GLenum target, GLint level,
/*
- * Read an RGBA image from the frame buffer.
- * This is used by glCopyTex[Sub]Image[12]D().
- * Input: ctx - the context
- * x, y - lower left corner
- * width, height - size of region to read
- * Return: pointer to block of GL_RGBA, GLchan data.
- */
-static GLchan *
-read_color_image( GLcontext *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height )
-{
- GLint stride, i;
- GLchan *image, *dst;
-
- image = (GLchan *) MALLOC(width * height * 4 * sizeof(GLchan));
- if (!image)
- return NULL;
-
- /* Select buffer to read from */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer,
- ctx->Pixel.DriverReadBuffer );
-
- RENDER_START(ctx);
-
- dst = image;
- stride = width * 4;
- for (i = 0; i < height; i++) {
- _mesa_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y + i,
- (GLchan (*)[4]) dst );
- dst += stride;
- }
-
- RENDER_FINISH(ctx);
-
- /* Read from draw buffer (the default) */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer,
- ctx->Color.DriverDrawBuffer );
-
- return image;
-}
-
-
-/*
- * As above, but read data from depth buffer.
- */
-static GLfloat *
-read_depth_image( GLcontext *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height )
-{
- GLint i;
- GLfloat *image, *dst;
-
- image = (GLfloat *) MALLOC(width * height * sizeof(GLfloat));
- if (!image)
- return NULL;
-
- RENDER_START(ctx);
-
- dst = image;
- for (i = 0; i < height; i++) {
- _mesa_read_depth_span_float(ctx, width, x, y + i, dst);
- dst += width;
- }
-
- RENDER_FINISH(ctx);
-
- return image;
-}
-
-
-
-static GLboolean
-is_depth_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16_SGIX:
- case GL_DEPTH_COMPONENT24_SGIX:
- case GL_DEPTH_COMPONENT32_SGIX:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/*
- * Fallback for Driver.CopyTexImage1D().
- */
-void
-_mesa_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, texUnit, target, level);
- ASSERT(texImage);
-
- ASSERT(ctx->Driver.TexImage1D);
-
- if (is_depth_format(internalFormat)) {
- /* read depth image from framebuffer */
- GLfloat *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_FLOAT, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
- else {
- /* read RGBA image from framebuffer */
- GLchan *image = read_color_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_RGBA, CHAN_TYPE, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
-}
-
-
-/*
- * Fallback for Driver.CopyTexImage2D().
- */
-void
-_mesa_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, texUnit, target, level);
- ASSERT(texImage);
-
- ASSERT(ctx->Driver.TexImage2D);
-
- if (is_depth_format(internalFormat)) {
- /* read depth image from framebuffer */
- GLfloat *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_FLOAT, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
- else {
- /* read RGBA image from framebuffer */
- GLchan *image = read_color_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_RGBA, CHAN_TYPE, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
-}
-
-
-/*
- * Fallback for Driver.CopyTexSubImage1D().
- */
-void
-_mesa_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, texUnit, target, level);
- ASSERT(texImage);
-
- ASSERT(ctx->Driver.TexImage1D);
-
- if (is_depth_format(texImage->IntFormat)) {
- /* read depth image from framebuffer */
- GLfloat *image = read_depth_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_COMPONENT, GL_FLOAT, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
- else {
- GLchan *image = read_color_image(ctx, x, y, 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,
- GL_RGBA, CHAN_TYPE, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
-}
-
-
-/*
- * Fallback for Driver.CopyTexSubImage2D().
- */
-void
-_mesa_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, texUnit, target, level);
- ASSERT(texImage);
-
- ASSERT(ctx->Driver.TexImage2D);
-
- if (is_depth_format(texImage->IntFormat)) {
- /* read depth image from framebuffer */
- GLfloat *image = read_depth_image(ctx, x, y, width, height);
- if (!image) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D");
- return;
- }
-
- /* call glTexImage1D to redefine the texture */
- (*ctx->Driver.TexSubImage2D)(ctx, target, level,
- xoffset, yoffset, width, height,
- GL_DEPTH_COMPONENT, GL_FLOAT, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
- else {
- /* read RGBA image from framebuffer */
- GLchan *image = read_color_image(ctx, x, y, 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,
- GL_RGBA, CHAN_TYPE, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
-}
-
-
-/*
- * Fallback for Driver.CopyTexSubImage3D().
- */
-void
-_mesa_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, texUnit, target, level);
- ASSERT(texImage);
-
- ASSERT(ctx->Driver.TexImage3D);
-
- if (is_depth_format(texImage->IntFormat)) {
- /* read depth image from framebuffer */
- GLfloat *image = read_depth_image(ctx, x, y, width, height);
- if (!image) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage3D");
- return;
- }
-
- /* call glTexImage1D to redefine the texture */
- (*ctx->Driver.TexSubImage3D)(ctx, target, level,
- xoffset, yoffset, zoffset, width, height, 1,
- GL_DEPTH_COMPONENT, GL_FLOAT, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
- else {
- /* read RGBA image from framebuffer */
- GLchan *image = read_color_image(ctx, x, y, 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,
- GL_RGBA, CHAN_TYPE, image,
- &_mesa_native_packing, texObj, texImage);
- FREE(image);
- }
-}
-
-
-
-/*
* Fallback for Driver.CompressedTexImage1D()
*/
void