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-rw-r--r--src/mesa/drivers/dri/i965/brw_context.h14
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw.c5
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw_upload.c71
-rw-r--r--src/mesa/drivers/dri/i965/brw_vtbl.c2
-rw-r--r--src/mesa/drivers/dri/intel/intel_buffer_objects.c4
5 files changed, 73 insertions, 23 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 03cce5154c..957acd26a2 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -489,16 +489,26 @@ struct brw_context
struct {
struct brw_vertex_element inputs[VERT_ATTRIB_MAX];
struct brw_vertex_buffer buffers[VERT_ATTRIB_MAX];
+ struct {
+ uint32_t handle;
+ uint32_t offset;
+ uint32_t stride;
+ } current_buffers[VERT_ATTRIB_MAX];
struct brw_vertex_element *enabled[VERT_ATTRIB_MAX];
GLuint nr_enabled;
- GLuint nr_buffers;
+ GLuint nr_buffers, nr_current_buffers;
/* Summary of size and varying of active arrays, so we can check
* for changes to this state:
*/
struct brw_vertex_info info;
unsigned int min_index, max_index;
+
+ /* Offset from start of vertex buffer so we can avoid redefining
+ * the same VB packed over and over again.
+ */
+ unsigned int start_vertex_bias;
} vb;
struct {
@@ -512,6 +522,7 @@ struct brw_context
/* Updates to these fields are signaled by BRW_NEW_INDEX_BUFFER. */
drm_intel_bo *bo;
unsigned int offset;
+
/* Offset to index buffer index to use in CMD_3D_PRIM so that we can
* avoid re-uploading the IB packet over and over if we're actually
* referencing the same index buffer.
@@ -832,4 +843,3 @@ float convert_param(enum param_conversion conversion, float param)
GLboolean brw_do_cubemap_normalize(struct exec_list *instructions);
#endif
-
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
index 3431d29b05..f5abe021c4 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.c
+++ b/src/mesa/drivers/dri/i965/brw_draw.c
@@ -145,9 +145,14 @@ static void brw_emit_prim(struct brw_context *brw,
prim_packet.start_vert_location = prim->start;
if (prim->indexed)
prim_packet.start_vert_location += brw->ib.start_vertex_offset;
+ else
+ prim_packet.start_vert_location += brw->vb.start_vertex_bias;
prim_packet.instance_count = 1;
prim_packet.start_instance_location = 0;
prim_packet.base_vert_location = prim->basevertex;
+ if (prim->indexed)
+ prim_packet.base_vert_location += brw->vb.start_vertex_bias;
+
/* If we're set to always flush, do it before and after the primitive emit.
* We want to catch both missed flushes that hurt instruction/state cache
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index d4841226bf..09d7a5ee14 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -271,11 +271,11 @@ static void brw_prepare_vertices(struct brw_context *brw)
struct gl_context *ctx = &brw->intel.ctx;
struct intel_context *intel = intel_context(ctx);
GLbitfield vs_inputs = brw->vs.prog_data->inputs_read;
- GLuint i, j;
const unsigned char *ptr = NULL;
GLuint interleaved = 0, total_size = 0;
unsigned int min_index = brw->vb.min_index;
unsigned int max_index = brw->vb.max_index;
+ int i, j;
struct brw_vertex_element *upload[VERT_ATTRIB_MAX];
GLuint nr_uploads = 0;
@@ -455,6 +455,33 @@ static void brw_prepare_vertices(struct brw_context *brw)
upload[i]->element_size);
upload[i]->buffer = j++;
}
+
+ /* can we simply extend the current vb? */
+ brw->vb.start_vertex_bias = 0;
+ if (j == brw->vb.nr_current_buffers) {
+ int delta = 0;
+ for (i = 0; i < j; i++) {
+ int d;
+
+ if (brw->vb.current_buffers[i].handle != brw->vb.buffers[i].bo->handle ||
+ brw->vb.current_buffers[i].stride != brw->vb.buffers[i].stride)
+ break;
+
+ d = brw->vb.buffers[i].offset - brw->vb.current_buffers[i].offset;
+ if (delta == 0)
+ delta = d / brw->vb.current_buffers[i].stride;
+ else if (delta * brw->vb.current_buffers[i].stride != d)
+ break;
+ }
+
+ if (i == j) {
+ brw->vb.start_vertex_bias = delta;
+ while (--j >= 0)
+ drm_intel_bo_unreference(brw->vb.buffers[j].bo);
+ j = 0;
+ }
+ }
+
brw->vb.nr_buffers = j;
validate:
@@ -504,25 +531,33 @@ static void brw_emit_vertices(struct brw_context *brw)
/* Now emit VB and VEP state packets.
*/
- BEGIN_BATCH(1 + 4*brw->vb.nr_buffers);
- OUT_BATCH((CMD_VERTEX_BUFFER << 16) | (4*brw->vb.nr_buffers - 1));
- for (i = 0; i < brw->vb.nr_buffers; i++) {
- struct brw_vertex_buffer *buffer = &brw->vb.buffers[i];
- uint32_t dw0;
+ if (brw->vb.nr_buffers) {
+ BEGIN_BATCH(1 + 4*brw->vb.nr_buffers);
+ OUT_BATCH((CMD_VERTEX_BUFFER << 16) | (4*brw->vb.nr_buffers - 1));
+ for (i = 0; i < brw->vb.nr_buffers; i++) {
+ struct brw_vertex_buffer *buffer = &brw->vb.buffers[i];
+ uint32_t dw0;
- if (intel->gen >= 6) {
- dw0 = GEN6_VB0_ACCESS_VERTEXDATA | (i << GEN6_VB0_INDEX_SHIFT);
- } else {
- dw0 = BRW_VB0_ACCESS_VERTEXDATA | (i << BRW_VB0_INDEX_SHIFT);
- }
+ if (intel->gen >= 6) {
+ dw0 = GEN6_VB0_ACCESS_VERTEXDATA | (i << GEN6_VB0_INDEX_SHIFT);
+ } else {
+ dw0 = BRW_VB0_ACCESS_VERTEXDATA | (i << BRW_VB0_INDEX_SHIFT);
+ }
+
+ OUT_BATCH(dw0 | (buffer->stride << BRW_VB0_PITCH_SHIFT));
+ OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->offset);
+ if (intel->gen >= 5) {
+ OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->bo->size - 1);
+ } else
+ OUT_BATCH(0);
+ OUT_BATCH(0); /* Instance data step rate */
- OUT_BATCH(dw0 | (buffer->stride << BRW_VB0_PITCH_SHIFT));
- OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->offset);
- if (intel->gen >= 5) {
- OUT_RELOC(buffer->bo, I915_GEM_DOMAIN_VERTEX, 0, buffer->bo->size - 1);
- } else
- OUT_BATCH(0);
- OUT_BATCH(0); /* Instance data step rate */
+ brw->vb.current_buffers[i].handle = buffer->bo->handle;
+ brw->vb.current_buffers[i].offset = buffer->offset;
+ brw->vb.current_buffers[i].stride = buffer->stride;
+ }
+ brw->vb.nr_current_buffers = i;
+ ADVANCE_BATCH();
}
ADVANCE_BATCH();
diff --git a/src/mesa/drivers/dri/i965/brw_vtbl.c b/src/mesa/drivers/dri/i965/brw_vtbl.c
index 9a53516046..152ee14156 100644
--- a/src/mesa/drivers/dri/i965/brw_vtbl.c
+++ b/src/mesa/drivers/dri/i965/brw_vtbl.c
@@ -158,6 +158,8 @@ static void brw_new_batch( struct intel_context *intel )
brw->state.dirty.mesa |= ~0;
brw->state.dirty.brw |= ~0;
brw->state.dirty.cache |= ~0;
+
+ brw->vb.nr_current_buffers = 0;
}
static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 81afe170c1..bc57803c84 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -120,10 +120,8 @@ intel_bufferobj_free(struct gl_context * ctx, struct gl_buffer_object *obj)
if (intel_obj->region) {
intel_bufferobj_release_region(intel, intel_obj);
}
- else if (intel_obj->buffer) {
- drm_intel_bo_unreference(intel_obj->buffer);
- }
+ drm_intel_bo_unreference(intel_obj->buffer);
free(intel_obj);
}
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-31 23:44:35 +0000