-struct cso_fragment_shader;
-struct cso_vertex_shader;
-struct translated_vertex_program;
+/** Fragment program variant key */
+struct st_fp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+
+ /** for glBitmap */
+ GLuint bitmap:1; /**< glBitmap variant? */
+
+ /** for glDrawPixels */
+ GLuint drawpixels:1; /**< glDrawPixels variant */
+ GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */
+ GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */
+ GLuint drawpixels_z:1; /**< glDrawPixels(GL_DEPTH) */
+ GLuint drawpixels_stencil:1; /**< glDrawPixels(GL_STENCIL) */
+
+ /** for ARB_color_buffer_float */
+ GLuint clamp_color:1;
+};
+
+
+/**
+ * Variant of a fragment program.
+ */
+struct st_fp_variant
+{
+ /** Parameters which generated this version of fragment program */
+ struct st_fp_variant_key key;
+
+ struct pipe_shader_state tgsi;
+
+ /** Driver's compiled shader */
+ void *driver_shader;
+
+ /** For glBitmap variants */
+ struct gl_program_parameter_list *parameters;
+ uint bitmap_sampler;
+
+ /** next in linked list */
+ struct st_fp_variant *next;
+};