meta: Add rectangle textures to the shader-per-sampler-type table

Rectangle textures were not necessary for mipmap generation (because
they cannot have mipmaps), but all of the future users of this common
code will need to support rectangle textures.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index f07d308..40e1f37 100644 (file)
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -233,6 +233,7 @@ struct sampler_table {
    struct glsl_sampler sampler_1d;
    struct glsl_sampler sampler_2d;
    struct glsl_sampler sampler_3d;
+   struct glsl_sampler sampler_rect;
    struct glsl_sampler sampler_cubemap;
    struct glsl_sampler sampler_1d_array;
    struct glsl_sampler sampler_2d_array;
@@ -3434,6 +3435,11 @@ setup_texture_sampler(GLenum target, struct sampler_table *table)
       table->sampler_2d.func = "texture2D";
       table->sampler_2d.texcoords = "texCoords.xy";
       return &table->sampler_2d;
+   case GL_TEXTURE_RECTANGLE:
+      table->sampler_rect.type = "sampler2DRect";
+      table->sampler_rect.func = "texture2DRect";
+      table->sampler_rect.texcoords = "texCoords.xy";
+      return &table->sampler_rect;
    case GL_TEXTURE_3D:
       /* Code for mipmap generation with 3D textures is not used yet.
        * It's a sw fallback.
@@ -3470,6 +3476,7 @@ sampler_table_cleanup(struct sampler_table *table)
    _mesa_DeleteObjectARB(table->sampler_1d.shader_prog);
    _mesa_DeleteObjectARB(table->sampler_2d.shader_prog);
    _mesa_DeleteObjectARB(table->sampler_3d.shader_prog);
+   _mesa_DeleteObjectARB(table->sampler_rect.shader_prog);
    _mesa_DeleteObjectARB(table->sampler_cubemap.shader_prog);
    _mesa_DeleteObjectARB(table->sampler_1d_array.shader_prog);
    _mesa_DeleteObjectARB(table->sampler_2d_array.shader_prog);
@@ -3477,6 +3484,7 @@ sampler_table_cleanup(struct sampler_table *table)
    table->sampler_1d.shader_prog = 0;
    table->sampler_2d.shader_prog = 0;
    table->sampler_3d.shader_prog = 0;
+   table->sampler_rect.shader_prog = 0;
    table->sampler_cubemap.shader_prog = 0;
    table->sampler_1d_array.shader_prog = 0;
    table->sampler_2d_array.shader_prog = 0;