i965: Use sample barycentric coordinates with per sample shading

[mesa.git] / src / mesa / drivers / dri / i965 / brw_wm.h

diff --git a/src/mesa/drivers/dri/i965/brw_wm.h b/src/mesa/drivers/dri/i965/brw_wm.h
index b8d8df3e0128ae325c38c5d9cc98bd4831079930..14a4b8bb5a6c5720dfb7ab20fa6c63393120f801 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_wm.h
+++ b/src/mesa/drivers/dri/i965/brw_wm.h
@@ -1,8 +1,8 @@
 /*
  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
  develop this 3D driver.
- 
+
  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
@@ -10,11 +10,11 @@
  distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so, subject to
  the following conditions:
- 
+
  The above copyright notice and this permission notice (including the
  next paragraph) shall be included in all copies or substantial
  portions of the Software.
- 
+
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
@@ -22,13 +22,13 @@
  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- 
+
  **********************************************************************/
  /*
   * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
+  *   Keith Whitwell <keithw@vmware.com>
   */
-              
+
 
 #ifndef BRW_WM_H
 #define BRW_WM_H
@@ -61,52 +61,59 @@ struct brw_wm_prog_key {
    uint8_t iz_lookup;
    GLuint stats_wm:1;
    GLuint flat_shade:1;
+   GLuint persample_shading:1;
    GLuint nr_color_regions:5;
-   GLuint sample_alpha_to_coverage:1;
+   GLuint replicate_alpha:1;
    GLuint render_to_fbo:1;
    GLuint clamp_fragment_color:1;
+   GLuint compute_pos_offset:1;
+   GLuint compute_sample_id:1;
    GLuint line_aa:2;
-
-   GLbitfield proj_attrib_mask; /**< one bit per fragment program attribute */
+   GLuint high_quality_derivatives:1;
 
    GLushort drawable_height;
-   GLbitfield64 vp_outputs_written;
+   GLbitfield64 input_slots_valid;
    GLuint program_string_id:32;
+   GLenum alpha_test_func;          /* < For Gen4/5 MRT alpha test */
+   float alpha_test_ref;
 
    struct brw_sampler_prog_key_data tex;
 };
 
 struct brw_wm_compile {
-   struct brw_compile func;
    struct brw_wm_prog_key key;
    struct brw_wm_prog_data prog_data;
 
-   struct brw_fragment_program *fp;
-
    uint8_t source_depth_reg;
    uint8_t source_w_reg;
    uint8_t aa_dest_stencil_reg;
    uint8_t dest_depth_reg;
+   uint8_t sample_pos_reg;
+   uint8_t sample_mask_reg;
    uint8_t barycentric_coord_reg[BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT];
    uint8_t nr_payload_regs;
    GLuint source_depth_to_render_target:1;
    GLuint runtime_check_aads_emit:1;
 
    GLuint last_scratch;
-
-   GLuint dispatch_width;
 };
 
-bool brw_wm_fs_emit(struct brw_context *brw, struct brw_wm_compile *c,
-                   struct gl_shader_program *prog);
+/**
+ * Compile a fragment shader.
+ *
+ * Returns the final assembly and the program's size.
+ */
+const unsigned *brw_wm_fs_emit(struct brw_context *brw,
+                               struct brw_wm_compile *c,
+                               struct gl_fragment_program *fp,
+                               struct gl_shader_program *prog,
+                               unsigned *final_assembly_size);
 
 GLboolean brw_link_shader(struct gl_context *ctx, struct gl_shader_program *prog);
 struct gl_shader *brw_new_shader(struct gl_context *ctx, GLuint name, GLuint type);
 struct gl_shader_program *brw_new_shader_program(struct gl_context *ctx, GLuint name);
 
 bool brw_color_buffer_write_enabled(struct brw_context *brw);
-bool brw_render_target_supported(struct intel_context *intel,
-                                struct gl_renderbuffer *rb);
 bool do_wm_prog(struct brw_context *brw,
                struct gl_shader_program *prog,
                struct brw_fragment_program *fp,
@@ -114,8 +121,7 @@ bool do_wm_prog(struct brw_context *brw,
 void brw_wm_debug_recompile(struct brw_context *brw,
                             struct gl_shader_program *prog,
                             const struct brw_wm_prog_key *key);
-bool brw_wm_prog_data_compare(const void *a, const void *b,
-                              int aux_size, const void *key);
+bool brw_wm_prog_data_compare(const void *a, const void *b);
 void brw_wm_prog_data_free(const void *in_prog_data);
 
 #endif