gallium: rename pipe_buffer_handle to pipe_buffer, rework pipebuffer/ code

[mesa.git] / src / mesa / pipe / draw / draw_vertex_shader.c

diff --git a/src/mesa/pipe/draw/draw_vertex_shader.c b/src/mesa/pipe/draw/draw_vertex_shader.c
index 056ad007cf491f513aca20935a65efa12767323b..5ca659dbf590341bddc599eff289ad532d3b1732 100644 (file)
--- a/src/mesa/pipe/draw/draw_vertex_shader.c
+++ b/src/mesa/pipe/draw/draw_vertex_shader.c
@@ -32,14 +32,15 @@
   */
 
 #include "pipe/p_util.h"
+#include "pipe/p_shader_tokens.h"
+#if defined(__i386__) || defined(__386__)
+#include "pipe/tgsi/exec/tgsi_sse2.h"
+#endif
 #include "draw_private.h"
 #include "draw_context.h"
-#include "draw_vertex.h"
 
 #include "x86/rtasm/x86sse.h"
-
-#include "pipe/tgsi/exec/tgsi_core.h"
-#include "pipe/llvm/llvmtgsi.h"
+#include "pipe/llvm/gallivm.h"
 
 
 #define DBG_VS 0
@@ -51,7 +52,18 @@ compute_clipmask(const float *clip, /*const*/ float plane[][4], unsigned nr)
    unsigned mask = 0;
    unsigned i;
 
-   for (i = 0; i < nr; i++) {
+   /* Do the hardwired planes first:
+    */
+   if (-clip[0] + clip[3] < 0) mask |= CLIP_RIGHT_BIT;
+   if ( clip[0] + clip[3] < 0) mask |= CLIP_LEFT_BIT;
+   if (-clip[1] + clip[3] < 0) mask |= CLIP_TOP_BIT;
+   if ( clip[1] + clip[3] < 0) mask |= CLIP_BOTTOM_BIT;
+   if (-clip[2] + clip[3] < 0) mask |= CLIP_FAR_BIT;
+   if ( clip[2] + clip[3] < 0) mask |= CLIP_NEAR_BIT;
+
+   /* Followed by any remaining ones:
+    */
+   for (i = 6; i < nr; i++) {
       if (dot4(clip, plane[i]) < 0) 
          mask |= (1<<i);
    }
@@ -93,7 +105,7 @@ run_vertex_program(struct draw_context *draw,
           == TGSI_SEMANTIC_POSITION);
 
    /* Consts does not require 16 byte alignment. */
-   machine->Consts = (float (*)[4]) draw->mapped_constants;
+   machine->Consts = (float (*)[4]) draw->user.constants;
 
    machine->Inputs = ALIGN16_ASSIGN(inputs);
    machine->Outputs = ALIGN16_ASSIGN(outputs);
@@ -104,7 +116,11 @@ run_vertex_program(struct draw_context *draw,
 #if defined(__i386__) || defined(__386__)
    if (draw->use_sse) {
       /* SSE */
-      codegen_function func = (codegen_function) x86_get_func( &draw->vertex_shader->sse2_program );
+      /* cast away const */
+      struct draw_vertex_shader *shader
+         = (struct draw_vertex_shader *)draw->vertex_shader;
+      codegen_function func
+         = (codegen_function) x86_get_func( &shader->sse2_program );
       func(
          machine->Inputs,
          machine->Outputs,
@@ -158,10 +174,8 @@ run_vertex_program(struct draw_context *draw,
 #endif
       /* Remaining attributes are packed into sequential post-transform
        * vertex attrib slots.
-       * Skip 0 since we just did it above.
-       * Subtract two because of the VERTEX_HEADER, CLIP_POS attribs.
        */
-      for (slot = 1; slot < draw->vertex_info.num_attribs - 2; slot++) {
+      for (slot = 1; slot < draw->num_vs_outputs; slot++) {
          vOut[j]->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
          vOut[j]->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
          vOut[j]->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
@@ -179,10 +193,11 @@ run_vertex_program(struct draw_context *draw,
 
 
 /**
+ * Run the vertex shader on all vertices in the vertex queue.
  * Called by the draw module when the vertx cache needs to be flushed.
- * This involves running the vertex shader.
  */
-void draw_vertex_shader_queue_flush( struct draw_context *draw )
+void
+draw_vertex_shader_queue_flush(struct draw_context *draw)
 {
    unsigned i, j;
 
@@ -216,7 +231,7 @@ void draw_vertex_shader_queue_flush( struct draw_context *draw )
 }
 
 
-void *
+struct draw_vertex_shader *
 draw_create_vertex_shader(struct draw_context *draw,
                           const struct pipe_shader_state *shader)
 {
@@ -229,31 +244,37 @@ draw_create_vertex_shader(struct draw_context *draw,
 
    vs->state = shader;
 
-#if defined(__i386__) || defined(__386__)
+#ifdef MESA_LLVM
+   vs->llvm_prog = gallivm_from_tgsi(shader->tokens, GALLIVM_VS);
+   draw->engine = gallivm_global_cpu_engine();
+   if (!draw->engine) {
+      draw->engine = gallivm_cpu_engine_create(vs->llvm_prog);
+   }
+   else {
+      gallivm_cpu_jit_compile(draw->engine, vs->llvm_prog);
+   }
+#elif defined(__i386__) || defined(__386__)
    if (draw->use_sse) {
       /* cast-away const */
       struct pipe_shader_state *sh = (struct pipe_shader_state *) shader;
 
       x86_init_func( &vs->sse2_program );
-      tgsi_emit_sse2( sh->tokens, &vs->sse2_program );
+      tgsi_emit_sse2( (struct tgsi_token *) sh->tokens, &vs->sse2_program );
    }
 #endif
-#ifdef MESA_LLVM
-   vs->llvm_prog = gallivm_from_tgsi(shader->tokens);
-   if (!draw->engine)
-      draw->engine = gallivm_cpu_engine_create(vs->llvm_prog);
-   else
-      gallivm_cpu_jit_compile(draw->engine, vs->llvm_prog);
-#endif
 
    return vs;
 }
 
-void draw_bind_vertex_shader(struct draw_context *draw,
-                             void *vcso)
+
+void
+draw_bind_vertex_shader(struct draw_context *draw,
+                        struct draw_vertex_shader *dvs)
 {
    draw_flush(draw);
-   draw->vertex_shader = (struct draw_vertex_shader*)(vcso);
+   draw->vertex_shader = dvs;
+
+   draw->num_vs_outputs = dvs->state->num_outputs;
 
    /* specify the fragment program to interpret/execute */
    tgsi_exec_machine_init(&draw->machine,
@@ -262,16 +283,14 @@ void draw_bind_vertex_shader(struct draw_context *draw,
                           NULL /*samplers*/ );
 }
 
-void draw_delete_vertex_shader(struct draw_context *draw,
-                               void *vcso)
-{
-   struct draw_vertex_shader *vs;
-
-   vs = (struct draw_vertex_shader *) vcso;
 
+void
+draw_delete_vertex_shader(struct draw_context *draw,
+                          struct draw_vertex_shader *dvs)
+{
 #if defined(__i386__) || defined(__386__)
-   x86_release_func( (struct x86_function *) &vs->sse2_program );
+   x86_release_func( (struct x86_function *) &dvs->sse2_program );
 #endif
 
-   FREE( vs );
+   FREE( dvs );
 }