Merge branch '7.8'

[mesa.git] / src / gallium / drivers / i965 / brw_curbe.c

diff --git a/src/gallium/drivers/i965/brw_curbe.c b/src/gallium/drivers/i965/brw_curbe.c
index 79ebac9d1533e6ad40771f5340417b629a64a982..4b215a001c4cf1bce1d00277c0c2a9bda35b40ca 100644 (file)
--- a/src/gallium/drivers/i965/brw_curbe.c
+++ b/src/gallium/drivers/i965/brw_curbe.c
@@ -36,9 +36,7 @@
 #include "brw_context.h"
 #include "brw_defines.h"
 #include "brw_state.h"
-#include "brw_util.h"
 #include "brw_debug.h"
-#include "brw_screen.h"
 
 
 /**
@@ -51,10 +49,10 @@
 static int calculate_curbe_offsets( struct brw_context *brw )
 {
    /* CACHE_NEW_WM_PROG */
-   const GLuint nr_fp_regs = (brw->wm.prog_data->nr_params + 15) / 16;
+   const GLuint nr_fp_regs = brw->wm.prog_data->curb_read_length;
    
    /* BRW_NEW_VERTEX_PROGRAM */
-   const GLuint nr_vp_regs = (brw->vs.prog_data->nr_params + 15) / 16;
+   const GLuint nr_vp_regs = brw->vs.prog_data->curb_read_length;
    GLuint nr_clip_regs = 0;
    GLuint total_regs;
 
@@ -162,6 +160,7 @@ static GLfloat fixed_plane[6][4] = {
  */
 static enum pipe_error prepare_curbe_buffer(struct brw_context *brw)
 {
+   struct pipe_screen *screen = brw->base.screen;
    const GLuint sz = brw->curbe.total_size;
    const GLuint bufsz = sz * 16 * sizeof(GLfloat);
    enum pipe_error ret;
@@ -181,15 +180,32 @@ static enum pipe_error prepare_curbe_buffer(struct brw_context *brw)
 
    /* fragment shader constants */
    if (brw->curbe.wm_size) {
+      const struct brw_fragment_shader *fs = brw->curr.fragment_shader;
       GLuint offset = brw->curbe.wm_start * 16;
+      GLuint nr_immediate, nr_const;
 
-      /* map fs constant buffer */
+      nr_immediate = fs->immediates.nr;
+      if (nr_immediate) {
+         memcpy(&buf[offset], 
+                fs->immediates.data,
+                nr_immediate * 4 * sizeof(float));
 
-      /* copy float constants */
-      for (i = 0; i < brw->wm.prog_data->nr_params; i++) 
-        buf[offset + i] = *brw->wm.prog_data->param[i];
+         offset += nr_immediate * 4;
+      }
 
-      /* unmap fs constant buffer */
+      nr_const = fs->info.file_max[TGSI_FILE_CONSTANT] + 1;
+/*      nr_const = brw->wm.prog_data->nr_params; */
+      if (nr_const) {
+         const GLfloat *value = screen->buffer_map( screen,
+                                                    brw->curr.fragment_constants,
+                                                    PIPE_BUFFER_USAGE_CPU_READ);
+
+         memcpy(&buf[offset], value,
+                nr_const * 4 * sizeof(float));
+         
+         screen->buffer_unmap( screen, 
+                               brw->curr.fragment_constants );
+      }
    }
 
 
@@ -224,22 +240,34 @@ static enum pipe_error prepare_curbe_buffer(struct brw_context *brw)
    /* vertex shader constants */
    if (brw->curbe.vs_size) {
       GLuint offset = brw->curbe.vs_start * 16;
-      GLuint nr = brw->curr.vertex_shader->info.file_max[TGSI_FILE_CONSTANT] + 1;
-      struct pipe_screen *screen = brw->base.screen;
+      const struct brw_vertex_shader *vs = brw->curr.vertex_shader;
+      GLuint nr_immediate, nr_const;
 
-      /* XXX: note that constant buffers are currently *already* in
-       * buffer objects.  If we want to keep on putting them into the
-       * curbe, makes sense to treat constbuf's specially with malloc.
-       */
-      const GLfloat *value = screen->buffer_map( screen,
-                                                brw->curr.vertex_constants,
-                                                PIPE_BUFFER_USAGE_CPU_READ);
+      nr_immediate = vs->immediates.nr;
+      if (nr_immediate) {
+         memcpy(&buf[offset], 
+                vs->immediates.data,
+                nr_immediate * 4 * sizeof(float));
 
-      /* XXX: what if user's constant buffer is too small?
-       */
-      memcpy(&buf[offset], value, nr * 4 * sizeof(float));
+         offset += nr_immediate * 4;
+      }
 
-      screen->buffer_unmap( screen, brw->curr.vertex_constants );
+      nr_const = vs->info.file_max[TGSI_FILE_CONSTANT] + 1;
+      if (nr_const) {
+         /* XXX: note that constant buffers are currently *already* in
+          * buffer objects.  If we want to keep on putting them into the
+          * curbe, makes sense to treat constbuf's specially with malloc.
+          */
+         const GLfloat *value = screen->buffer_map( screen,
+                                                    brw->curr.vertex_constants,
+                                                    PIPE_BUFFER_USAGE_CPU_READ);
+         
+         /* XXX: what if user's constant buffer is too small?
+          */
+         memcpy(&buf[offset], value, nr_const * 4 * sizeof(float));
+         
+         screen->buffer_unmap( screen, brw->curr.vertex_constants );
+      }
    }
 
    if (BRW_DEBUG & DEBUG_CURBE) {
@@ -262,8 +290,7 @@ static enum pipe_error prepare_curbe_buffer(struct brw_context *brw)
    } 
    else {
       /* constants have changed */
-      if (brw->curbe.last_buf)
-        FREE(brw->curbe.last_buf);
+      FREE(brw->curbe.last_buf);
 
       brw->curbe.last_buf = buf;
       brw->curbe.last_bufsz = bufsz;