1 files changed, 30 insertions, 21 deletions

diff --git a/mesalib/src/mesa/drivers/common/meta.c b/mesalib/src/mesa/drivers/common/meta.c
index 7d58281c1..d5e8af3c0 100644
--- a/mesalib/src/mesa/drivers/common/meta.c
+++ b/mesalib/src/mesa/drivers/common/meta.c
@@ -567,7 +567,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
       save->PolygonCull = ctx->Polygon.CullFlag;
       _mesa_PolygonMode(GL_FRONT_AND_BACK, GL_FILL);
       _mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL, GL_FALSE);
-      if (ctx->API == API_OPENGL) {
+      if (ctx->API == API_OPENGL_COMPAT) {
          _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, GL_FALSE);
          _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, GL_FALSE);
       }
@@ -580,14 +580,14 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
    }
 
    if (state & MESA_META_SHADER) {
-      if (ctx->API == API_OPENGL && ctx->Extensions.ARB_vertex_program) {
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_vertex_program) {
          save->VertexProgramEnabled = ctx->VertexProgram.Enabled;
          _mesa_reference_vertprog(ctx, &save->VertexProgram,
 				  ctx->VertexProgram.Current);
          _mesa_set_enable(ctx, GL_VERTEX_PROGRAM_ARB, GL_FALSE);
       }
 
-      if (ctx->API == API_OPENGL && ctx->Extensions.ARB_fragment_program) {
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_fragment_program) {
          save->FragmentProgramEnabled = ctx->FragmentProgram.Enabled;
          _mesa_reference_fragprog(ctx, &save->FragmentProgram,
 				  ctx->FragmentProgram.Current);
@@ -623,7 +623,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
       save->EnvMode = ctx->Texture.Unit[0].EnvMode;
 
       /* Disable all texture units */
-      if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES) {
+      if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
          for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
             save->TexEnabled[u] = ctx->Texture.Unit[u].Enabled;
             save->TexGenEnabled[u] = ctx->Texture.Unit[u].TexGenEnabled;
@@ -636,7 +636,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
                if (ctx->Extensions.OES_EGL_image_external)
                   _mesa_set_enable(ctx, GL_TEXTURE_EXTERNAL_OES, GL_FALSE);
 
-               if (ctx->API == API_OPENGL) {
+               if (ctx->API == API_OPENGL_COMPAT) {
                   _mesa_set_enable(ctx, GL_TEXTURE_1D, GL_FALSE);
                   _mesa_set_enable(ctx, GL_TEXTURE_3D, GL_FALSE);
                   if (ctx->Extensions.NV_texture_rectangle)
@@ -661,7 +661,7 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
       /* set defaults for unit[0] */
       _mesa_ActiveTexture(GL_TEXTURE0);
       _mesa_ClientActiveTexture(GL_TEXTURE0);
-      if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES) {
+      if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
          _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
       }
    }
@@ -684,11 +684,9 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
       _mesa_LoadIdentity();
       _mesa_MatrixMode(GL_PROJECTION);
       _mesa_LoadIdentity();
-      if (ctx->DrawBuffer->Initialized) {
-         _mesa_Ortho(0.0, ctx->DrawBuffer->Width,
-                     0.0, ctx->DrawBuffer->Height,
-                     -1.0, 1.0);
-      }
+      _mesa_Ortho(0.0, ctx->DrawBuffer->Width,
+                  0.0, ctx->DrawBuffer->Height,
+                  -1.0, 1.0);
    }
 
    if (state & MESA_META_CLIP) {
@@ -885,7 +883,7 @@ _mesa_meta_end(struct gl_context *ctx)
          _mesa_PolygonMode(GL_FRONT, save->FrontPolygonMode);
          _mesa_PolygonMode(GL_BACK, save->BackPolygonMode);
       }
-      if (ctx->API == API_OPENGL) {
+      if (ctx->API == API_OPENGL_COMPAT) {
          _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, save->PolygonStipple);
          _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, save->PolygonSmooth);
       }
@@ -900,7 +898,7 @@ _mesa_meta_end(struct gl_context *ctx)
    }
 
    if (state & MESA_META_SHADER) {
-      if (ctx->API == API_OPENGL && ctx->Extensions.ARB_vertex_program) {
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_vertex_program) {
          _mesa_set_enable(ctx, GL_VERTEX_PROGRAM_ARB,
                           save->VertexProgramEnabled);
          _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, 
@@ -908,7 +906,7 @@ _mesa_meta_end(struct gl_context *ctx)
 	 _mesa_reference_vertprog(ctx, &save->VertexProgram, NULL);
       }
 
-      if (ctx->API == API_OPENGL && ctx->Extensions.ARB_fragment_program) {
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_fragment_program) {
          _mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB,
                           save->FragmentProgramEnabled);
          _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current,
@@ -941,7 +939,7 @@ _mesa_meta_end(struct gl_context *ctx)
 
       _mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled);
       _mesa_ClearStencil(stencil->Clear);
-      if (ctx->API == API_OPENGL && ctx->Extensions.EXT_stencil_two_side) {
+      if (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.EXT_stencil_two_side) {
          _mesa_set_enable(ctx, GL_STENCIL_TEST_TWO_SIDE_EXT,
                           stencil->TestTwoSide);
          _mesa_ActiveStencilFaceEXT(stencil->ActiveFace
@@ -973,7 +971,7 @@ _mesa_meta_end(struct gl_context *ctx)
       ASSERT(ctx->Texture.CurrentUnit == 0);
 
       /* restore texenv for unit[0] */
-      if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES) {
+      if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
          _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, save->EnvMode);
       }
 
@@ -988,7 +986,7 @@ _mesa_meta_end(struct gl_context *ctx)
       }
 
       /* Restore fixed function texture enables, texgen */
-      if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES) {
+      if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES) {
          for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
             if (ctx->Texture.Unit[u].Enabled != save->TexEnabled[u]) {
                FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@@ -3268,7 +3266,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
 
    _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, mipmap->FBO);
 
-   if (ctx->API == API_OPENGL || ctx->API == API_OPENGLES)
+   if (ctx->API == API_OPENGL_COMPAT || ctx->API == API_OPENGLES)
       _mesa_TexParameteri(target, GL_GENERATE_MIPMAP, GL_FALSE);
    else
       assert(!genMipmapSave);
@@ -3687,6 +3685,7 @@ decompress_texture_image(struct gl_context *ctx,
    /* read pixels from renderbuffer */
    {
       GLenum baseTexFormat = texImage->_BaseFormat;
+      GLenum destBaseFormat = _mesa_base_tex_format(ctx, destFormat);
 
       /* The pixel transfer state will be set to default values at this point
        * (see MESA_META_PIXEL_TRANSFER) so pixel transfer ops are effectively
@@ -3695,9 +3694,19 @@ decompress_texture_image(struct gl_context *ctx,
        * returned as red and two-channel texture values are returned as
        * red/alpha.
        */
-      if (baseTexFormat == GL_LUMINANCE ||
-          baseTexFormat == GL_LUMINANCE_ALPHA ||
-          baseTexFormat == GL_INTENSITY) {
+      if ((baseTexFormat == GL_LUMINANCE ||
+           baseTexFormat == GL_LUMINANCE_ALPHA ||
+           baseTexFormat == GL_INTENSITY) ||
+          /* If we're reading back an RGB(A) texture (using glGetTexImage) as
+	   * luminance then we need to return L=tex(R).
+	   */
+          ((baseTexFormat == GL_RGBA ||
+            baseTexFormat == GL_RGB  ||
+            baseTexFormat == GL_RG) &&
+          (destBaseFormat == GL_LUMINANCE ||
+           destBaseFormat == GL_LUMINANCE_ALPHA ||
+           destBaseFormat == GL_LUMINANCE_INTEGER_EXT ||
+           destBaseFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT))) {
          /* Green and blue must be zero */
          _mesa_PixelTransferf(GL_GREEN_SCALE, 0.0f);
          _mesa_PixelTransferf(GL_BLUE_SCALE, 0.0f);