i965/vs: Pass the brw_context pointer into vec4_visitor and do_vs_prog.

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

diff --git a/src/mesa/drivers/dri/i965/brw_vs.h b/src/mesa/drivers/dri/i965/brw_vs.h
index 0b88cc1ec76453fb512243f75941c7edc12182b4..2c085474733b40acda1a2db53c37a215fbe2561d 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vs.h
+++ b/src/mesa/drivers/dri/i965/brw_vs.h
@@ -36,15 +36,60 @@
 
 #include "brw_context.h"
 #include "brw_eu.h"
+#include "brw_program.h"
 #include "program/program.h"
 
+/**
+ * The VF can't natively handle certain types of attributes, such as GL_FIXED
+ * or most 10_10_10_2 types.  These flags enable various VS workarounds to
+ * "fix" attributes at the beginning of shaders.
+ */
+#define BRW_ATTRIB_WA_COMPONENT_MASK    7  /* mask for GL_FIXED scale channel count */
+#define BRW_ATTRIB_WA_NORMALIZE     8   /* normalize in shader */
+#define BRW_ATTRIB_WA_BGRA          16  /* swap r/b channels in shader */
+#define BRW_ATTRIB_WA_SIGN          32  /* interpret as signed in shader */
+#define BRW_ATTRIB_WA_SCALE         64  /* interpret as scaled in shader */
 
 struct brw_vs_prog_key {
    GLuint program_string_id;
-   GLuint nr_userclip:4;
+
+   /*
+    * Per-attribute workaround flags
+    */
+   uint8_t gl_attrib_wa_flags[VERT_ATTRIB_MAX];
+
+   /**
+    * True if at least one clip flag is enabled, regardless of whether the
+    * shader uses clip planes or gl_ClipDistance.
+    */
+   GLuint userclip_active:1;
+
+   /**
+    * How many user clipping planes are being uploaded to the vertex shader as
+    * push constants.
+    */
+   GLuint nr_userclip_plane_consts:4;
+
+   /**
+    * True if the shader uses gl_ClipDistance, regardless of whether any clip
+    * flags are enabled.
+    */
+   GLuint uses_clip_distance:1;
+
+   /**
+    * For pre-Gen6 hardware, a bitfield indicating which clipping planes are
+    * enabled.  This is used to compact clip planes.
+    *
+    * For Gen6 and later hardware, clip planes are not compacted, so this
+    * value is zero to avoid provoking unnecessary shader recompiles.
+    */
+   GLuint userclip_planes_enabled_gen_4_5:MAX_CLIP_PLANES;
+
    GLuint copy_edgeflag:1;
    GLuint point_coord_replace:8;
-   GLuint two_side_color: 1;
+   GLuint clamp_vertex_color:1;
+
+   struct brw_sampler_prog_key_data tex;
 };
 
 
@@ -52,41 +97,21 @@ struct brw_vs_compile {
    struct brw_compile func;
    struct brw_vs_prog_key key;
    struct brw_vs_prog_data prog_data;
-   int8_t constant_map[1024];
 
    struct brw_vertex_program *vp;
 
-   GLuint nr_inputs;
-
-   GLuint first_output;
-   GLuint nr_outputs;
-   GLuint first_overflow_output; /**< VERT_ATTRIB_x */
-
-   GLuint first_tmp;
-   GLuint last_tmp;
-
-   struct brw_reg r0;
-   struct brw_reg r1;
-   struct brw_reg regs[PROGRAM_ADDRESS+1][128];
-   struct brw_reg tmp;
-   struct brw_reg stack;
-
-   struct {    
-       GLboolean used_in_src;
-       struct brw_reg reg;
-   } output_regs[128];
-
-   struct brw_reg userplane[6];
-
-   /** we may need up to 3 constants per instruction (if use_const_buffer) */
-   struct {
-      GLint index;
-      struct brw_reg reg;
-   } current_const[3];
-
-   GLboolean needs_stack;
+   GLuint last_scratch; /**< measured in 32-byte (register size) units */
 };
 
-void brw_vs_emit( struct brw_vs_compile *c );
+bool brw_vs_emit(struct brw_context *brw,
+                 struct gl_shader_program *prog,
+                 struct brw_vs_compile *c);
+bool brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog);
+void brw_vs_debug_recompile(struct brw_context *brw,
+                            struct gl_shader_program *prog,
+                            const struct brw_vs_prog_key *key);
+bool brw_vs_prog_data_compare(const void *a, const void *b,
+                              int aux_size, const void *key);
+void brw_vs_prog_data_free(const void *in_prog_data);
 
 #endif