mesa: move texrender.c to swrast

This stuff is really for software rendering, it's not core Mesa.
A small step toward pushing the FetchTexel() stuff down into swrast.

Reviewed-by: Eric Anholt <[email protected]>

2 files changed, 0 insertions, 672 deletions

diff --git a/src/mesa/main/texrender.c b/src/mesa/main/texrender.c
deleted file mode 100644
index a7641a5f9a4..00000000000
--- a/src/mesa/main/texrender.c
+++ /dev/null
@@ -1,654 +0,0 @@
-
-#include "context.h"
-#include "colormac.h"
-#include "fbobject.h"
-#include "macros.h"
-#include "texfetch.h"
-#include "teximage.h"
-#include "texrender.h"
-#include "renderbuffer.h"
-
-
-/*
- * Render-to-texture code for GL_EXT_framebuffer_object
- */
-
-
-/**
- * Derived from gl_renderbuffer class
- */
-struct texture_renderbuffer
-{
-   struct gl_renderbuffer Base;   /**< Base class object */
-   struct gl_texture_image *TexImage;
-   StoreTexelFunc Store;
-   FetchTexelFuncF Fetchf;
-   GLint Yoffset;                 /**< Layer for 1D array textures. */
-   GLint Zoffset;                 /**< Layer for 2D array textures, or slice
-				   * for 3D textures
-				   */
-};
-
-
-/**
- * Get row of values from the renderbuffer that wraps a texture image.
- */
-static void
-texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
-                GLint x, GLint y, void *values)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   ASSERT(trb->TexImage->Width == rb->Width);
-   ASSERT(trb->TexImage->Height == rb->Height);
-
-   y += trb->Yoffset;
-
-   if (rb->DataType == CHAN_TYPE) {
-      GLchan *rgbaOut = (GLchan *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat rgba[4];
-         trb->Fetchf(trb->TexImage, x + i, y, z, rgba);
-         UNCLAMPED_FLOAT_TO_RGBA_CHAN(rgbaOut + 4 * i, rgba);
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      GLushort *zValues = (GLushort *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
-         zValues[i] = (GLushort) (flt * 0xffff);
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      GLuint *zValues = (GLuint *) values;
-      /*
-      const GLdouble scale = (GLdouble) 0xffffffff;
-      */
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
-#if 0
-         /* this should work, but doesn't (overflow due to low precision) */
-         zValues[i] = (GLuint) (flt * scale);
-#else
-         /* temporary hack */
-         zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
-#endif
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      GLuint *zValues = (GLuint *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
-         zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      GLuint *zValues = (GLuint *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
-         zValues[i] = (GLuint) (flt * 0xffffff);
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_get_row");
-   }
-}
-
-
-static void
-texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
-                   const GLint x[], const GLint y[], void *values)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   if (rb->DataType == CHAN_TYPE) {
-      GLchan *rgbaOut = (GLchan *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat rgba[4];
-         trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
-				    z, rgba);
-         UNCLAMPED_FLOAT_TO_RGBA_CHAN(rgbaOut + 4 * i, rgba);
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      GLushort *zValues = (GLushort *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
-				    z, &flt);
-         zValues[i] = (GLushort) (flt * 0xffff);
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      GLuint *zValues = (GLuint *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
-				    z, &flt);
-#if 0
-         zValues[i] = (GLuint) (flt * 0xffffffff);
-#else
-         zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
-#endif
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      GLuint *zValues = (GLuint *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
-				    z, &flt);
-         zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      GLuint *zValues = (GLuint *) values;
-      for (i = 0; i < count; i++) {
-         GLfloat flt;
-         trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
-				    z, &flt);
-         zValues[i] = (GLuint) (flt * 0xffffff);
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_get_values");
-   }
-}
-
-
-/**
- * Put row of values into a renderbuffer that wraps a texture image.
- */
-static void
-texture_put_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
-                GLint x, GLint y, const void *values, const GLubyte *mask)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   y += trb->Yoffset;
-
-   if (rb->DataType == CHAN_TYPE) {
-      const GLchan *rgba = (const GLchan *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, rgba);
-         }
-         rgba += 4;
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      const GLushort *zValues = (const GLushort *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, zValues + i);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, zValues + i);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            GLfloat flt = (GLfloat) ((zValues[i] >> 8) * (1.0 / 0xffffff));
-            trb->Store(trb->TexImage, x + i, y, z, &flt);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            GLfloat flt = (GLfloat) ((zValues[i] & 0xffffff) * (1.0 / 0xffffff));
-            trb->Store(trb->TexImage, x + i, y, z, &flt);
-         }
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_put_row");
-   }
-}
-
-/**
- * Put row of RGB values into a renderbuffer that wraps a texture image.
- */
-static void
-texture_put_row_rgb(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
-                GLint x, GLint y, const void *values, const GLubyte *mask)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   y += trb->Yoffset;
-
-   if (rb->DataType == CHAN_TYPE) {
-      const GLchan *rgb = (const GLchan *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, rgb);
-         }
-         rgb += 3;
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      const GLushort *zValues = (const GLushort *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, zValues + i);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, zValues + i);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            GLfloat flt = (GLfloat) ((zValues[i] >> 8) * (1.0 / 0xffffff));
-            trb->Store(trb->TexImage, x + i, y, z, &flt);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            GLfloat flt = (GLfloat) ((zValues[i] & 0xffffff) * (1.0 / 0xffffff));
-            trb->Store(trb->TexImage, x + i, y, z, &flt);
-         }
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_put_row");
-   }
-}
-
-
-static void
-texture_put_mono_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
-                     GLint x, GLint y, const void *value, const GLubyte *mask)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   y += trb->Yoffset;
-
-   if (rb->DataType == CHAN_TYPE) {
-      const GLchan *rgba = (const GLchan *) value;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, rgba);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      const GLushort zValue = *((const GLushort *) value);
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, &zValue);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      const GLuint zValue = *((const GLuint *) value);
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, &zValue);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      const GLuint zValue = *((const GLuint *) value);
-      const GLfloat flt = (GLfloat) ((zValue >> 8) * (1.0 / 0xffffff));
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, &flt);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      const GLuint zValue = *((const GLuint *) value);
-      const GLfloat flt = (GLfloat) ((zValue & 0xffffff) * (1.0 / 0xffffff));
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x + i, y, z, &flt);
-         }
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_put_mono_row");
-   }
-}
-
-
-static void
-texture_put_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
-                   const GLint x[], const GLint y[], const void *values,
-                   const GLubyte *mask)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   if (rb->DataType == CHAN_TYPE) {
-      const GLchan *rgba = (const GLchan *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, rgba);
-         }
-         rgba += 4;
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      const GLushort *zValues = (const GLushort *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, zValues + i);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, zValues + i);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            GLfloat flt = (GLfloat) ((zValues[i] >> 8) * (1.0 / 0xffffff));
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &flt);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      const GLuint *zValues = (const GLuint *) values;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            GLfloat flt = (GLfloat) ((zValues[i] & 0xffffff) * (1.0 / 0xffffff));
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &flt);
-         }
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_put_values");
-   }
-}
-
-
-static void
-texture_put_mono_values(struct gl_context *ctx, struct gl_renderbuffer *rb,
-                        GLuint count, const GLint x[], const GLint y[],
-                        const void *value, const GLubyte *mask)
-{
-   const struct texture_renderbuffer *trb
-      = (const struct texture_renderbuffer *) rb;
-   const GLint z = trb->Zoffset;
-   GLuint i;
-
-   if (rb->DataType == CHAN_TYPE) {
-      const GLchan *rgba = (const GLchan *) value;
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, rgba);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT) {
-      const GLuint zValue = *((const GLuint *) value);
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &zValue);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_SHORT) {
-      const GLushort zValue = *((const GLushort *) value);
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &zValue);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_24_8_EXT) {
-      const GLuint zValue = *((const GLuint *) value);
-      const GLfloat flt = (GLfloat) ((zValue >> 8) * (1.0 / 0xffffff));
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &flt);
-         }
-      }
-   }
-   else if (rb->DataType == GL_UNSIGNED_INT_8_24_REV_MESA) {
-      const GLuint zValue = *((const GLuint *) value);
-      const GLfloat flt = (GLfloat) ((zValue & 0xffffff) * (1.0 / 0xffffff));
-      for (i = 0; i < count; i++) {
-         if (!mask || mask[i]) {
-            trb->Store(trb->TexImage, x[i], y[i] + trb->Yoffset, z, &flt);
-         }
-      }
-   }
-   else {
-      _mesa_problem(ctx, "invalid rb->DataType in texture_put_mono_values");
-   }
-}
-
-
-static void
-store_nop(struct gl_texture_image *texImage,
-          GLint col, GLint row, GLint img,
-          const void *texel)
-{
-}
-
-
-static void
-delete_texture_wrapper(struct gl_renderbuffer *rb)
-{
-   ASSERT(rb->RefCount == 0);
-   free(rb);
-}
-
-
-/**
- * This function creates a renderbuffer object which wraps a texture image.
- * The new renderbuffer is plugged into the given attachment point.
- * This allows rendering into the texture as if it were a renderbuffer.
- */
-static void
-wrap_texture(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
-{
-   struct texture_renderbuffer *trb;
-   const GLuint name = 0;
-
-   ASSERT(att->Type == GL_TEXTURE);
-   ASSERT(att->Renderbuffer == NULL);
-
-   trb = CALLOC_STRUCT(texture_renderbuffer);
-   if (!trb) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "wrap_texture");
-      return;
-   }
-
-   /* init base gl_renderbuffer fields */
-   _mesa_init_renderbuffer(&trb->Base, name);
-   /* plug in our texture_renderbuffer-specific functions */
-   trb->Base.Delete = delete_texture_wrapper;
-   trb->Base.AllocStorage = NULL; /* illegal! */
-   trb->Base.GetRow = texture_get_row;
-   trb->Base.GetValues = texture_get_values;
-   trb->Base.PutRow = texture_put_row;
-   trb->Base.PutRowRGB = texture_put_row_rgb;
-   trb->Base.PutMonoRow = texture_put_mono_row;
-   trb->Base.PutValues = texture_put_values;
-   trb->Base.PutMonoValues = texture_put_mono_values;
-
-   /* update attachment point */
-   _mesa_reference_renderbuffer(&att->Renderbuffer, &(trb->Base));
-}
-
-/**
- * Update the renderbuffer wrapper for rendering to a texture.
- * For example, update the width, height of the RB based on the texture size,
- * update the internal format info, etc.
- */
-static void
-update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
-{
-   struct texture_renderbuffer *trb
-      = (struct texture_renderbuffer *) att->Renderbuffer;
-
-   (void) ctx;
-   ASSERT(trb);
-
-   trb->TexImage = _mesa_get_attachment_teximage(att);
-   ASSERT(trb->TexImage);
-
-   trb->Store = _mesa_get_texel_store_func(trb->TexImage->TexFormat);
-   if (!trb->Store) {
-      /* we'll never draw into some textures (compressed formats) */
-      trb->Store = store_nop;
-   }
-
-   trb->Fetchf = trb->TexImage->FetchTexelf;
-
-   if (att->Texture->Target == GL_TEXTURE_1D_ARRAY_EXT) {
-      trb->Yoffset = att->Zoffset;
-      trb->Zoffset = 0;
-   }
-   else {
-      trb->Yoffset = 0;
-      trb->Zoffset = att->Zoffset;
-   }
-
-   trb->Base.Width = trb->TexImage->Width;
-   trb->Base.Height = trb->TexImage->Height;
-   trb->Base.InternalFormat = trb->TexImage->InternalFormat;
-   trb->Base.Format = trb->TexImage->TexFormat;
-
-   /* XXX may need more special cases here */
-   switch (trb->TexImage->TexFormat) {
-   case MESA_FORMAT_Z24_S8:
-      trb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
-      trb->Base._BaseFormat = GL_DEPTH_STENCIL;
-      break;
-   case MESA_FORMAT_S8_Z24:
-      trb->Base.DataType = GL_UNSIGNED_INT_8_24_REV_MESA;
-      trb->Base._BaseFormat = GL_DEPTH_STENCIL;
-      break;
-   case MESA_FORMAT_Z24_X8:
-      trb->Base.DataType = GL_UNSIGNED_INT_24_8_EXT;
-      trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
-      break;
-   case MESA_FORMAT_X8_Z24:
-      trb->Base.DataType = GL_UNSIGNED_INT_8_24_REV_MESA;
-      trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
-      break;
-   case MESA_FORMAT_Z16:
-      trb->Base.DataType = GL_UNSIGNED_SHORT;
-      trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
-      break;
-   case MESA_FORMAT_Z32:
-      trb->Base.DataType = GL_UNSIGNED_INT;
-      trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
-      break;
-   /* SRGB formats pre EXT_framebuffer_sRGB don't do sRGB translations on FBO readback */
-   case MESA_FORMAT_SRGB8:
-      trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_RGB888, _mesa_get_texture_dimensions(att->Texture->Target));
-      trb->Base.DataType = CHAN_TYPE;
-      trb->Base._BaseFormat = GL_RGBA;
-      break;
-   case MESA_FORMAT_SRGBA8:
-      trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_RGBA8888, _mesa_get_texture_dimensions(att->Texture->Target));
-      trb->Base.DataType = CHAN_TYPE;
-      trb->Base._BaseFormat = GL_RGBA;
-      break;
-   case MESA_FORMAT_SARGB8:
-      trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_ARGB8888, _mesa_get_texture_dimensions(att->Texture->Target));
-      trb->Base.DataType = CHAN_TYPE;
-      trb->Base._BaseFormat = GL_RGBA;
-      break;
-   default:
-      trb->Base.DataType = CHAN_TYPE;
-      trb->Base._BaseFormat = GL_RGBA;
-   }
-   trb->Base.Data = trb->TexImage->Data;
-}
-
-
-
-/**
- * Called when rendering to a texture image begins, or when changing
- * the dest mipmap level, cube face, etc.
- * This is a fallback routine for software render-to-texture.
- *
- * Called via the glRenderbufferTexture1D/2D/3D() functions
- * and elsewhere (such as glTexImage2D).
- *
- * The image we're rendering into is
- * att->Texture->Image[att->CubeMapFace][att->TextureLevel];
- * It'll never be NULL.
- *
- * \param fb  the framebuffer object the texture is being bound to
- * \param att  the fb attachment point of the texture
- *
- * \sa _mesa_framebuffer_renderbuffer
- */
-void
-_mesa_render_texture(struct gl_context *ctx,
-                     struct gl_framebuffer *fb,
-                     struct gl_renderbuffer_attachment *att)
-{
-   (void) fb;
-
-   if (!att->Renderbuffer) {
-      wrap_texture(ctx, att);
-   }
-   update_wrapper(ctx, att);
-}
-
-
-void
-_mesa_finish_render_texture(struct gl_context *ctx,
-                            struct gl_renderbuffer_attachment *att)
-{
-   /* do nothing */
-   /* The renderbuffer texture wrapper will get deleted by the
-    * normal mechanism for deleting renderbuffers.
-    */
-   (void) ctx;
-   (void) att;
-}
diff --git a/src/mesa/main/texrender.h b/src/mesa/main/texrender.h
deleted file mode 100644
index cacd091160e..00000000000
--- a/src/mesa/main/texrender.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef TEXRENDER_H
-#define TEXRENDER_H
-
-struct gl_context;
-struct gl_framebuffer;
-struct gl_renderbuffer_attachment;
-
-extern void
-_mesa_render_texture(struct gl_context *ctx,
-                     struct gl_framebuffer *fb,
-                     struct gl_renderbuffer_attachment *att);
-
-extern void
-_mesa_finish_render_texture(struct gl_context *ctx,
-                            struct gl_renderbuffer_attachment *att);
-
-
-#endif /* TEXRENDER_H */