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authorKeith Whitwell <keithw@vmware.com>2009-11-19 16:09:39 -0800
committerKeith Whitwell <keithw@vmware.com>2009-11-19 16:09:39 -0800
commit1b9eda4c74c83cc0ffa98f2885660c80cdff2a65 (patch)
tree432ed5d91fb985be61c08b89ea3c6656f092a3a4 /src/gallium/drivers/i965/brw_curbe.c
parent9e4f3eaf6630e0d3a9b05da90e4879a94516b974 (diff)
i965g: get fragment constants sort-of working
Diffstat (limited to 'src/gallium/drivers/i965/brw_curbe.c')
-rw-r--r--src/gallium/drivers/i965/brw_curbe.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/src/gallium/drivers/i965/brw_curbe.c b/src/gallium/drivers/i965/brw_curbe.c
index 79ebac9d15..5fa1723311 100644
--- a/src/gallium/drivers/i965/brw_curbe.c
+++ b/src/gallium/drivers/i965/brw_curbe.c
@@ -51,10 +51,10 @@
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 +162,7 @@ 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;
@@ -182,14 +183,15 @@ static enum pipe_error prepare_curbe_buffer(struct brw_context *brw)
/* fragment shader constants */
if (brw->curbe.wm_size) {
GLuint offset = brw->curbe.wm_start * 16;
+ unsigned nr = brw->wm.prog_data->nr_params;
- /* map fs constant buffer */
+ const GLfloat *value = screen->buffer_map( screen,
+ brw->curr.fragment_constants,
+ PIPE_BUFFER_USAGE_CPU_READ);
- /* copy float constants */
- for (i = 0; i < brw->wm.prog_data->nr_params; i++)
- buf[offset + i] = *brw->wm.prog_data->param[i];
+ memcpy(&buf[offset], value, nr * 4 * sizeof(float));
- /* unmap fs constant buffer */
+ screen->buffer_unmap( screen, brw->curr.fragment_constants );
}
@@ -225,7 +227,6 @@ static enum pipe_error prepare_curbe_buffer(struct brw_context *brw)
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;
/* XXX: note that constant buffers are currently *already* in
* buffer objects. If we want to keep on putting them into the