Split driver struct into swrast/tnl/core components.

1 files changed, 1 insertions, 355 deletions

diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 2b0c61aa19..66f47b889e 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