intel: Replace my intel_texture_bitmap code with _mesa_meta_Bitmap.

The meta code is more general than mine, and appears to pass the same
sets of tests (piglit + some oglconform).

1 files changed, 1 insertions, 180 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index 02c0ffce31d..3ea1d48d7ca 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -309,178 +309,6 @@ out:
    return GL_TRUE;
 }
 
-static GLboolean
-intel_texture_bitmap(GLcontext * ctx,
-		     GLint dst_x, GLint dst_y,
-		     GLsizei width, GLsizei height,
-		     const struct gl_pixelstore_attrib *unpack,
-		     const GLubyte *bitmap)
-{
-   struct intel_context *intel = intel_context(ctx);
-   static const char *fp =
-      "!!ARBfp1.0\n"
-      "TEMP val;\n"
-      "PARAM color=program.local[0];\n"
-      "TEX val, fragment.texcoord[0], texture[0], 2D;\n"
-      "ADD val, val.wwww, {-.5, -.5, -.5, -.5};\n"
-      "KIL val;\n"
-      "MOV result.color, color;\n"
-      "END\n";
-   GLuint texname;
-   GLfloat vertices[4][4];
-   GLint old_active_texture;
-   GLubyte *a8_bitmap;
-   GLfloat dst_z;
-
-   /* We need a fragment program for the KIL effect */
-   if (!ctx->Extensions.ARB_fragment_program ||
-       !ctx->Extensions.ARB_vertex_program) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr,
-		 "glBitmap fallback: No fragment/vertex program support\n");
-      return GL_FALSE;
-   }
-
-   /* We're going to mess with texturing with no regard to existing texture
-    * state, so if there is some set up we have to bail.
-    */
-   if (ctx->Texture._EnabledUnits != 0) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr, "glBitmap fallback: texturing enabled\n");
-      return GL_FALSE;
-   }
-
-   /* Can't do textured DrawPixels with a fragment program, unless we were
-    * to generate a new program that sampled our texture and put the results
-    * in the fragment color before the user's program started.
-    */
-   if (ctx->FragmentProgram.Enabled) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr, "glBitmap fallback: fragment program enabled\n");
-      return GL_FALSE;
-   }
-
-   if (ctx->VertexProgram.Enabled) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr, "glBitmap fallback: vertex program enabled\n");
-      return GL_FALSE;
-   }
-
-   if (!ctx->Extensions.ARB_texture_non_power_of_two &&
-       (!is_power_of_two(width) || !is_power_of_two(height))) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr,
-		 "glBitmap() fallback: NPOT texture\n");
-      return GL_FALSE;
-   }
-
-   if (ctx->Fog.Enabled) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr, "glBitmap() fallback: fog\n");
-      return GL_FALSE;
-   }
-
-   /* Check that we can load in a texture this big. */
-   if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
-       height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
-      if (INTEL_DEBUG & DEBUG_FALLBACKS)
-	 fprintf(stderr, "glBitmap fallback: bitmap too large (%dx%d)\n",
-		 width, height);
-      return GL_FALSE;
-   }
-
-   if (_mesa_is_bufferobj(unpack->BufferObj)) {
-      bitmap = map_pbo(ctx, width, height, unpack, bitmap);
-      if (bitmap == NULL)
-	 return GL_TRUE;	/* even though this is an error, we're done */
-   }
-
-   /* Convert the A1 bitmap to an A8 format suitable for glTexImage */
-   a8_bitmap = calloc(1, width * height);
-   _mesa_expand_bitmap(width, height, unpack, bitmap, a8_bitmap, width, 0xff);
-
-   if (_mesa_is_bufferobj(unpack->BufferObj)) {
-      /* done with PBO so unmap it now */
-      ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
-                              unpack->BufferObj);
-   }
-
-   /* Save GL state before we start setting up our drawing */
-   _mesa_PushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT | GL_POLYGON_BIT |
-                    GL_TEXTURE_BIT | GL_VIEWPORT_BIT);
-   _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT |
-			  GL_CLIENT_PIXEL_STORE_BIT);
-   old_active_texture = ctx->Texture.CurrentUnit;
-
-   _mesa_Disable(GL_POLYGON_STIPPLE);
-   _mesa_PolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-
-   /* Upload our bitmap data to an alpha texture */
-   _mesa_ActiveTextureARB(GL_TEXTURE0_ARB);
-   _mesa_Enable(GL_TEXTURE_2D);
-   _mesa_GenTextures(1, &texname);
-   _mesa_BindTexture(GL_TEXTURE_2D, texname);
-   _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-   _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-
-   _mesa_PixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
-   _mesa_PixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
-   _mesa_PixelStorei(GL_UNPACK_ROW_LENGTH, 0);
-   _mesa_PixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
-   _mesa_PixelStorei(GL_UNPACK_SKIP_ROWS, 0);
-   _mesa_PixelStorei(GL_UNPACK_ALIGNMENT, 1);
-   _mesa_TexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0,
-		    GL_ALPHA, GL_UNSIGNED_BYTE, a8_bitmap);
-   free(a8_bitmap);
-
-   meta_set_fragment_program(&intel->meta, &intel->meta.bitmap_fp, fp);
-   _mesa_ProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0,
-				     ctx->Current.RasterColor);
-   meta_set_passthrough_vertex_program(&intel->meta);
-   meta_set_passthrough_transform(&intel->meta);
-
-   /* convert rasterpos Z from [0,1] to NDC coord in [-1,1] */
-   dst_z = -1.0 + 2.0 * ctx->Current.RasterPos[2];
-
-   /* RasterPos[2] already takes into account the DepthRange mapping. */
-   _mesa_DepthRange(0.0, 1.0);
-
-   vertices[0][0] = dst_x;
-   vertices[0][1] = dst_y;
-   vertices[0][2] = dst_z;
-   vertices[0][3] = 1.0;
-   vertices[1][0] = dst_x + width;
-   vertices[1][1] = dst_y;
-   vertices[1][2] = dst_z;
-   vertices[1][3] = 1.0;
-   vertices[2][0] = dst_x + width;
-   vertices[2][1] = dst_y + height;
-   vertices[2][2] = dst_z;
-   vertices[2][3] = 1.0;
-   vertices[3][0] = dst_x;
-   vertices[3][1] = dst_y + height;
-   vertices[3][2] = dst_z;
-   vertices[3][3] = 1.0;
-
-   _mesa_VertexPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &vertices);
-   _mesa_Enable(GL_VERTEX_ARRAY);
-   meta_set_default_texrect(&intel->meta);
-   _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
-
-   meta_restore_texcoords(&intel->meta);
-   meta_restore_transform(&intel->meta);
-   meta_restore_fragment_program(&intel->meta);
-   meta_restore_vertex_program(&intel->meta);
-
-   _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture);
-   _mesa_PopClientAttrib();
-   _mesa_PopAttrib();
-
-   _mesa_DeleteTextures(1, &texname);
-
-   return GL_TRUE;
-}
-
 /* There are a large number of possible ways to implement bitmap on
  * this hardware, most of them have some sort of drawback.  Here are a
  * few that spring to mind:
@@ -512,12 +340,5 @@ intelBitmap(GLcontext * ctx,
                           unpack, pixels))
       return;
 
-   if (intel_texture_bitmap(ctx, x, y, width, height,
-			    unpack, pixels))
-      return;
-
-   if (INTEL_DEBUG & DEBUG_PIXEL)
-      printf("%s: fallback to swrast\n", __FUNCTION__);
-
-   _swrast_Bitmap(ctx, x, y, width, height, unpack, pixels);
+   _mesa_meta_Bitmap(ctx, x, y, width, height, unpack, pixels);
 }