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authorKai Wasserbäch <[email protected]>2011-11-29 15:04:58 +0100
committerJosé Fonseca <[email protected]>2011-11-29 15:44:09 +0000
commit2c27f204f1ca6f09f9520712be1da9a13ed5c01d (patch)
tree72aa79b2e6680172efe116b51640337f640f8e28 /src/gallium/drivers/i965/brw_wm_constant_buffer.c
parent76ba431b97087e2d5ca0351e0d613f0812fd1425 (diff)
i965g: Delete this driver.
Never completed, and no plans to do so. Signed-off-by: Kai Wasserbäch <[email protected]> Signed-off-by: José Fonseca <[email protected]>
Diffstat (limited to 'src/gallium/drivers/i965/brw_wm_constant_buffer.c')
-rw-r--r--src/gallium/drivers/i965/brw_wm_constant_buffer.c165
1 files changed, 0 insertions, 165 deletions
diff --git a/src/gallium/drivers/i965/brw_wm_constant_buffer.c b/src/gallium/drivers/i965/brw_wm_constant_buffer.c
deleted file mode 100644
index df5cd0398c9..00000000000
--- a/src/gallium/drivers/i965/brw_wm_constant_buffer.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/* XXX: Constant buffers disabled
- */
-
-
-/**
- * Create the constant buffer surface. Vertex/fragment shader constants will be
- * read from this buffer with Data Port Read instructions/messages.
- */
-enum pipe_error
-brw_create_constant_surface( struct brw_context *brw,
- struct brw_surface_key *key,
- struct brw_winsys_buffer **bo_out )
-{
- const GLint w = key->width - 1;
- struct brw_winsys_buffer *bo;
- struct brw_winsys_reloc reloc[1];
- enum pipe_error ret;
-
- /* Emit relocation to surface contents */
- make_reloc(&reloc[0],
- BRW_USAGE_SAMPLER,
- 0,
- offsetof(struct brw_surface_state, ss1),
- key->bo);
-
-
- memset(&surf, 0, sizeof(surf));
-
- surf.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
- surf.ss0.surface_type = BRW_SURFACE_BUFFER;
- surf.ss0.surface_format = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
-
- surf.ss1.base_addr = 0; /* reloc */
-
- surf.ss2.width = w & 0x7f; /* bits 6:0 of size or width */
- surf.ss2.height = (w >> 7) & 0x1fff; /* bits 19:7 of size or width */
- surf.ss3.depth = (w >> 20) & 0x7f; /* bits 26:20 of size or width */
- surf.ss3.pitch = (key->pitch * key->cpp) - 1; /* ignored?? */
- brw_set_surface_tiling(&surf, key->tiling); /* tiling now allowed */
-
- ret = brw_upload_cache(&brw->surface_cache, BRW_SS_SURFACE,
- key, sizeof(*key),
- reloc, Elements(reloc),
- &surf, sizeof(surf),
- NULL, NULL,
- &bo_out);
- if (ret)
- return ret;
-
- return PIPE_OK;
-}
-
-
-
-/**
- * Update the surface state for a WM constant buffer.
- * The constant buffer will be (re)allocated here if needed.
- */
-static enum pipe_error
-brw_update_wm_constant_surface( struct brw_context *brw,
- GLuint surf)
-{
- struct brw_surface_key key;
- struct brw_fragment_shader *fp = brw->curr.fragment_shader;
- struct pipe_resource *cbuf = brw->curr.fragment_constants;
- int pitch = cbuf->size / (4 * sizeof(float));
- enum pipe_error ret;
-
- /* If we're in this state update atom, we need to update WM constants, so
- * free the old buffer and create a new one for the new contents.
- */
- ret = brw_wm_update_constant_buffer(brw, &fp->const_buffer);
- if (ret)
- return ret;
-
- /* If there's no constant buffer, then no surface BO is needed to point at
- * it.
- */
- if (cbuf == NULL) {
- bo_reference(&brw->wm.surf_bo[surf], NULL);
- return PIPE_OK;
- }
-
- memset(&key, 0, sizeof(key));
-
- key.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
- key.ss0.surface_type = BRW_SURFACE_BUFFER;
- key.ss0.surface_format = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
-
- key.bo = brw_buffer(cbuf)->bo;
-
- key.ss2.width = (pitch-1) & 0x7f; /* bits 6:0 of size or width */
- key.ss2.height = ((pitch-1) >> 7) & 0x1fff; /* bits 19:7 of size or width */
- key.ss3.depth = ((pitch-1) >> 20) & 0x7f; /* bits 26:20 of size or width */
- key.ss3.pitch = (pitch * 4 * sizeof(float)) - 1; /* ignored?? */
- brw_set_surface_tiling(&surf, key->tiling); /* tiling now allowed */
-
-
- /*
- printf("%s:\n", __FUNCTION__);
- printf(" width %d height %d depth %d cpp %d pitch %d\n",
- key.width, key.height, key.depth, key.cpp, key.pitch);
- */
-
- if (brw_search_cache(&brw->surface_cache,
- BRW_SS_SURFACE,
- &key, sizeof(key),
- &key.bo, 1,
- NULL,
- &brw->wm.surf_bo[surf]))
- return PIPE_OK;
-
- ret = brw_create_constant_surface(brw, &key, &brw->wm.surf_bo[surf]);
- if (ret)
- return ret;
-
- brw->state.dirty.brw |= BRW_NEW_WM_SURFACES;
- return PIPE_OK;
-}
-
-/**
- * Updates surface / buffer for fragment shader constant buffer, if
- * one is required.
- *
- * This consumes the state updates for the constant buffer, and produces
- * BRW_NEW_WM_SURFACES to get picked up by brw_prepare_wm_surfaces for
- * inclusion in the binding table.
- */
-static enum pipe_error prepare_wm_constant_surface(struct brw_context *brw )
-{
- struct brw_fragment_program *fp =
- (struct brw_fragment_program *) brw->fragment_program;
- GLuint surf = SURF_INDEX_FRAG_CONST_BUFFER;
-
- ret = brw_wm_update_constant_buffer(brw,
- &fp->const_buffer);
- if (ret)
- return ret;
-
- /* If there's no constant buffer, then no surface BO is needed to point at
- * it.
- */
- if (fp->const_buffer == 0) {
- if (brw->wm.surf_bo[surf] != NULL) {
- bo_reference(&brw->wm.surf_bo[surf], NULL);
- brw->state.dirty.brw |= BRW_NEW_WM_SURFACES;
- }
- return PIPE_OK;
- }
-
- ret = brw_update_wm_constant_surface(ctx, surf);
- if (ret)
- return ret;
-
- return PIPE_OK
-}
-
-const struct brw_tracked_state brw_wm_constant_surface = {
- .dirty = {
- .mesa = (_NEW_PROGRAM_CONSTANTS),
- .brw = (BRW_NEW_FRAGMENT_PROGRAM),
- .cache = 0
- },
- .prepare = prepare_wm_constant_surface,
-};