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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm_surface_state.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_surface_state.c205
1 files changed, 172 insertions, 33 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 095759f3a2..ce5dbb334b 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -176,7 +176,11 @@ static GLuint translate_tex_format( GLuint mesa_format, GLenum internal_format,
}
}
-struct brw_wm_surface_key {
+
+/**
+ * Use same key for WM and VS surfaces.
+ */
+struct brw_surface_key {
GLenum target, depthmode;
dri_bo *bo;
GLint format, internal_format;
@@ -187,6 +191,7 @@ struct brw_wm_surface_key {
GLuint offset;
};
+
static void
brw_set_surface_tiling(struct brw_surface_state *surf, uint32_t tiling)
{
@@ -208,7 +213,7 @@ brw_set_surface_tiling(struct brw_surface_state *surf, uint32_t tiling)
static dri_bo *
brw_create_texture_surface( struct brw_context *brw,
- struct brw_wm_surface_key *key )
+ struct brw_surface_key *key )
{
struct brw_surface_state surf;
dri_bo *bo;
@@ -287,7 +292,7 @@ brw_update_texture_surface( GLcontext *ctx, GLuint unit )
struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
struct intel_texture_object *intelObj = intel_texture_object(tObj);
struct gl_texture_image *firstImage = tObj->Image[0][intelObj->firstLevel];
- struct brw_wm_surface_key key;
+ struct brw_surface_key key;
const GLuint surf = SURF_INDEX_TEXTURE(unit);
memset(&key, 0, sizeof(key));
@@ -328,12 +333,12 @@ brw_update_texture_surface( GLcontext *ctx, GLuint unit )
/**
- * Create the constant buffer surface. Fragment shader constanst will be
+ * Create the constant buffer surface. Vertex/fragment shader constants will be
* read from this buffer with Data Port Read instructions/messages.
*/
static dri_bo *
brw_create_constant_surface( struct brw_context *brw,
- struct brw_wm_surface_key *key )
+ struct brw_surface_key *key )
{
const GLint w = key->width - 1;
struct brw_surface_state surf;
@@ -345,8 +350,6 @@ brw_create_constant_surface( struct brw_context *brw,
surf.ss0.surface_type = BRW_SURFACE_BUFFER;
surf.ss0.surface_format = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
- /* This is ok for all textures with channel width 8bit or less:
- */
assert(key->bo);
if (key->bo)
surf.ss1.base_addr = key->bo->offset; /* reloc */
@@ -356,8 +359,8 @@ brw_create_constant_surface( struct brw_context *brw,
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;
- brw_set_surface_tiling(&surf, key->tiling);
+ surf.ss3.pitch = (key->pitch * key->cpp) - 1; /* ignored?? */
+ brw_set_surface_tiling(&surf, key->tiling); /* tiling now allowed */
bo = brw_upload_cache(&brw->cache, BRW_SS_SURFACE,
key, sizeof(*key),
@@ -379,17 +382,17 @@ brw_create_constant_surface( struct brw_context *brw,
/**
- * Update the surface state for a constant buffer.
+ * Update the surface state for a WM constant buffer.
* The constant buffer will be (re)allocated here if needed.
*/
static dri_bo *
-brw_update_constant_surface( GLcontext *ctx,
- GLuint surf,
- dri_bo *const_buffer,
- const struct gl_program_parameter_list *params)
+brw_update_wm_constant_surface( GLcontext *ctx,
+ GLuint surf,
+ dri_bo *const_buffer,
+ const struct gl_program_parameter_list *params)
{
struct brw_context *brw = brw_context(ctx);
- struct brw_wm_surface_key key;
+ struct brw_surface_key key;
struct intel_context *intel = &brw->intel;
const int size = params->NumParameters * 4 * sizeof(GLfloat);
@@ -402,7 +405,7 @@ brw_update_constant_surface( GLcontext *ctx,
/* alloc new buffer if needed */
if (!const_buffer) {
const_buffer =
- drm_intel_bo_alloc(intel->bufmgr, "vp/fp_const_buffer", size, 64);
+ drm_intel_bo_alloc(intel->bufmgr, "fp_const_buffer", size, 64);
}
memset(&key, 0, sizeof(key));
@@ -437,6 +440,66 @@ brw_update_constant_surface( GLcontext *ctx,
/**
+ * Update the surface state for a VS constant buffer.
+ * The constant buffer will be (re)allocated here if needed.
+ */
+static dri_bo *
+brw_update_vs_constant_surface( GLcontext *ctx,
+ GLuint surf,
+ dri_bo *const_buffer,
+ const struct gl_program_parameter_list *params)
+{
+ struct brw_context *brw = brw_context(ctx);
+ struct brw_surface_key key;
+ struct intel_context *intel = &brw->intel;
+ const int size = params->NumParameters * 4 * sizeof(GLfloat);
+
+ assert(surf == 0);
+
+ /* free old const buffer if too small */
+ if (const_buffer && const_buffer->size < size) {
+ dri_bo_unreference(const_buffer);
+ const_buffer = NULL;
+ }
+
+ /* alloc new buffer if needed */
+ if (!const_buffer) {
+ const_buffer =
+ drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer", size, 64);
+ }
+
+ memset(&key, 0, sizeof(key));
+
+ key.format = MESA_FORMAT_RGBA_FLOAT32;
+ key.internal_format = GL_RGBA;
+ key.bo = const_buffer;
+ key.depthmode = GL_NONE;
+ key.pitch = params->NumParameters;
+ key.width = params->NumParameters;
+ key.height = 1;
+ key.depth = 1;
+ key.cpp = 16;
+
+ /*
+ 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);
+ */
+
+ dri_bo_unreference(brw->vs.surf_bo[surf]);
+ brw->vs.surf_bo[surf] = brw_search_cache(&brw->cache, BRW_SS_SURFACE,
+ &key, sizeof(key),
+ &key.bo, key.bo ? 1 : 0,
+ NULL);
+ if (brw->vs.surf_bo[surf] == NULL) {
+ brw->vs.surf_bo[surf] = brw_create_constant_surface(brw, &key);
+ }
+
+ return const_buffer;
+}
+
+
+/**
* Sets up a surface state structure to point at the given region.
* While it is only used for the front/back buffer currently, it should be
* usable for further buffers when doing ARB_draw_buffer support.
@@ -515,7 +578,7 @@ brw_update_region_surface(struct brw_context *brw, struct intel_region *region,
/* Key size will never match key size for textures, so we're safe. */
brw->wm.surf_bo[unit] = brw_upload_cache(&brw->cache, BRW_SS_SURFACE,
- &key, sizeof(key),
+ &key, sizeof(key),
&region_bo, 1,
&surf, sizeof(surf),
NULL, NULL);
@@ -544,6 +607,8 @@ brw_wm_get_binding_table(struct brw_context *brw)
{
dri_bo *bind_bo;
+ assert(brw->wm.nr_surfaces <= BRW_WM_MAX_SURF);
+
bind_bo = brw_search_cache(&brw->cache, BRW_SS_SURF_BIND,
NULL, 0,
brw->wm.surf_bo, brw->wm.nr_surfaces,
@@ -603,25 +668,13 @@ static void prepare_wm_surfaces(struct brw_context *brw )
old_nr_surfaces = brw->wm.nr_surfaces;
brw->wm.nr_surfaces = MAX_DRAW_BUFFERS;
- /* Update surface / buffer for vertex shader constant buffer */
- {
- const GLuint surf = SURF_INDEX_VERT_CONST_BUFFER;
- struct brw_vertex_program *vp =
- (struct brw_vertex_program *) brw->vertex_program;
- vp->const_buffer =
- brw_update_constant_surface(ctx, surf, vp->const_buffer,
- vp->program.Base.Parameters);
-
- brw->wm.nr_surfaces = surf + 1;
- }
-
/* Update surface / buffer for fragment shader constant buffer */
{
const GLuint surf = SURF_INDEX_FRAG_CONST_BUFFER;
struct brw_fragment_program *fp =
(struct brw_fragment_program *) brw->fragment_program;
fp->const_buffer =
- brw_update_constant_surface(ctx, surf, fp->const_buffer,
+ brw_update_wm_constant_surface(ctx, surf, fp->const_buffer,
fp->program.Base.Parameters);
brw->wm.nr_surfaces = surf + 1;
@@ -655,17 +708,103 @@ static void prepare_wm_surfaces(struct brw_context *brw )
brw->wm.bind_bo = brw_wm_get_binding_table(brw);
if (brw->wm.nr_surfaces != old_nr_surfaces)
- brw->state.dirty.brw |= BRW_NEW_NR_SURFACES;
+ brw->state.dirty.brw |= BRW_NEW_NR_WM_SURFACES;
+}
+
+
+/**
+ * Constructs the binding table for the VS surface state.
+ */
+static dri_bo *
+brw_vs_get_binding_table(struct brw_context *brw)
+{
+ dri_bo *bind_bo;
+
+ assert(brw->vs.nr_surfaces <= BRW_VS_MAX_SURF);
+
+ bind_bo = brw_search_cache(&brw->cache, BRW_SS_SURF_BIND,
+ NULL, 0,
+ brw->vs.surf_bo, brw->vs.nr_surfaces,
+ NULL);
+
+ if (bind_bo == NULL) {
+ GLuint data_size = brw->vs.nr_surfaces * sizeof(GLuint);
+ uint32_t *data = malloc(data_size);
+ int i;
+
+ for (i = 0; i < brw->vs.nr_surfaces; i++)
+ if (brw->vs.surf_bo[i])
+ data[i] = brw->vs.surf_bo[i]->offset;
+ else
+ data[i] = 0;
+
+ bind_bo = brw_upload_cache( &brw->cache, BRW_SS_SURF_BIND,
+ NULL, 0,
+ brw->vs.surf_bo, brw->vs.nr_surfaces,
+ data, data_size,
+ NULL, NULL);
+
+ /* Emit binding table relocations to surface state */
+ for (i = 0; i < BRW_VS_MAX_SURF; i++) {
+ if (brw->vs.surf_bo[i] != NULL) {
+ dri_bo_emit_reloc(bind_bo,
+ I915_GEM_DOMAIN_INSTRUCTION, 0,
+ 0,
+ i * sizeof(GLuint),
+ brw->vs.surf_bo[i]);
+ }
+ }
+
+ free(data);
+ }
+
+ return bind_bo;
+}
+
+
+/**
+ * Vertex shader surfaces. Just constant buffer for now. Could add vertex
+ * shader textures in the future.
+ */
+static void prepare_vs_surfaces(struct brw_context *brw )
+{
+ GLcontext *ctx = &brw->intel.ctx;
+
+ /* Update surface / buffer for vertex shader constant buffer */
+ {
+ const GLuint surf = SURF_INDEX_VERT_CONST_BUFFER;
+ struct brw_vertex_program *vp =
+ (struct brw_vertex_program *) brw->vertex_program;
+ vp->const_buffer =
+ brw_update_vs_constant_surface(ctx, surf, vp->const_buffer,
+ vp->program.Base.Parameters);
+
+ brw->vs.nr_surfaces = 1;
+ }
+
+ dri_bo_unreference(brw->vs.bind_bo);
+ brw->vs.bind_bo = brw_vs_get_binding_table(brw);
+
+ if (1)
+ brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES;
+}
+
+
+static void
+prepare_surfaces(struct brw_context *brw)
+{
+ prepare_wm_surfaces(brw);
+ prepare_vs_surfaces(brw);
}
const struct brw_tracked_state brw_wm_surfaces = {
.dirty = {
- .mesa = _NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS,
+ .mesa = _NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS | _NEW_PROGRAM,
.brw = BRW_NEW_CONTEXT,
.cache = 0
},
- .prepare = prepare_wm_surfaces,
+ .prepare = prepare_surfaces,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 07:27:34 +0000