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path: root/src/gallium/drivers/i965/brw_draw.c
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Diffstat (limited to 'src/gallium/drivers/i965/brw_draw.c')
-rw-r--r--src/gallium/drivers/i965/brw_draw.c134
1 files changed, 59 insertions, 75 deletions
diff --git a/src/gallium/drivers/i965/brw_draw.c b/src/gallium/drivers/i965/brw_draw.c
index 741537309a..7af490bc5a 100644
--- a/src/gallium/drivers/i965/brw_draw.c
+++ b/src/gallium/drivers/i965/brw_draw.c
@@ -30,9 +30,9 @@
#include "brw_defines.h"
#include "brw_context.h"
#include "brw_state.h"
+#include "brw_debug.h"
#include "brw_batchbuffer.h"
-#include "intel_buffer_objects.h"
#define FILE_DEBUG_FLAG DEBUG_BATCH
@@ -56,26 +56,18 @@ static uint32_t prim_to_hw_prim[PIPE_PRIM_POLYGON+1] = {
* programs be immune to the active primitive (ie. cope with all
* possibilities). That may not be realistic however.
*/
-static GLuint brw_set_prim(struct brw_context *brw, GLenum prim)
+static GLuint brw_set_prim(struct brw_context *brw, unsigned prim)
{
- if (INTEL_DEBUG & DEBUG_PRIMS)
- _mesa_printf("PRIM: %s\n", _mesa_lookup_enum_by_nr(prim));
+ if (BRW_DEBUG & DEBUG_PRIMS)
+ debug_printf("PRIM: %s\n", u_prim_name(prim));
- /* Slight optimization to avoid the GS program when not needed:
- */
- if (prim == GL_QUAD_STRIP &&
- ctx->Light.ShadeModel != GL_FLAT &&
- ctx->Polygon.FrontMode == GL_FILL &&
- ctx->Polygon.BackMode == GL_FILL)
- prim = GL_TRIANGLE_STRIP;
-
if (prim != brw->primitive) {
brw->primitive = prim;
brw->state.dirty.brw |= BRW_NEW_PRIMITIVE;
- if (reduced_prim[prim] != brw->intel.reduced_primitive) {
- brw->intel.reduced_primitive = reduced_prim[prim];
+ if (reduced_prim[prim] != brw->reduced_primitive) {
+ brw->reduced_primitive = reduced_prim[prim];
brw->state.dirty.brw |= BRW_NEW_REDUCED_PRIMITIVE;
}
}
@@ -84,43 +76,33 @@ static GLuint brw_set_prim(struct brw_context *brw, GLenum prim)
}
-static GLuint trim(GLenum prim, GLuint length)
-{
- if (prim == GL_QUAD_STRIP)
- return length > 3 ? (length - length % 2) : 0;
- else if (prim == GL_QUADS)
- return length - length % 4;
- else
- return length;
-}
-
-static void brw_emit_prim(struct brw_context *brw,
- const struct _mesa_prim *prim,
- uint32_t hw_prim)
+static enum pipe_error brw_emit_prim(struct brw_context *brw,
+ unsigned prim,
+ unsigned start,
+ unsigned count,
+ boolean indexed,
+ uint32_t hw_prim)
{
struct brw_3d_primitive prim_packet;
if (INTEL_DEBUG & DEBUG_PRIMS)
- _mesa_printf("PRIM: %s %d %d\n", _mesa_lookup_enum_by_nr(prim->mode),
- prim->start, prim->count);
+ debug_printf("PRIM: %s %d %d\n", u_prim_name(prim), start, count);
prim_packet.header.opcode = CMD_3D_PRIM;
prim_packet.header.length = sizeof(prim_packet)/4 - 2;
prim_packet.header.pad = 0;
prim_packet.header.topology = hw_prim;
- prim_packet.header.indexed = prim->indexed;
+ prim_packet.header.indexed = indexed;
- prim_packet.verts_per_instance = trim(prim->mode, prim->count);
- prim_packet.start_vert_location = prim->start;
- if (prim->indexed)
+ prim_packet.verts_per_instance = count;
+ prim_packet.start_vert_location = start;
+ if (indexed)
prim_packet.start_vert_location += brw->ib.start_vertex_offset;
prim_packet.instance_count = 1;
prim_packet.start_instance_location = 0;
prim_packet.base_vert_location = prim->basevertex;
- /* Can't wrap here, since we rely on the validated state. */
- brw->no_batch_wrap = GL_TRUE;
/* 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
@@ -128,13 +110,15 @@ static void brw_emit_prim(struct brw_context *brw,
* the besides the draw code.
*/
if (intel->always_flush_cache) {
- BEGIN_BATCH(1, IGNORE_CLIPRECTS);
+ BEGIN_BATCH(1, IGNORE_CLIPRECTS)
OUT_BATCH(intel->vtbl.flush_cmd());
ADVANCE_BATCH();
}
if (prim_packet.verts_per_instance) {
- brw_batchbuffer_data( brw->intel.batch, &prim_packet,
- sizeof(prim_packet), LOOP_CLIPRECTS);
+ ret = brw_batchbuffer_data( brw->intel.batch, &prim_packet,
+ sizeof(prim_packet), LOOP_CLIPRECTS);
+ if (ret)
+ return ret;
}
if (intel->always_flush_cache) {
BEGIN_BATCH(1, IGNORE_CLIPRECTS);
@@ -142,34 +126,9 @@ static void brw_emit_prim(struct brw_context *brw,
ADVANCE_BATCH();
}
- brw->no_batch_wrap = GL_FALSE;
+ return 0;
}
-static void brw_merge_inputs( struct brw_context *brw,
- const struct gl_client_array *arrays[])
-{
- struct brw_vertex_info old = brw->vb.info;
- GLuint i;
-
- for (i = 0; i < VERT_ATTRIB_MAX; i++)
- brw->sws->bo_unreference(brw->vb.inputs[i].bo);
-
- memset(&brw->vb.inputs, 0, sizeof(brw->vb.inputs));
- memset(&brw->vb.info, 0, sizeof(brw->vb.info));
-
- for (i = 0; i < VERT_ATTRIB_MAX; i++) {
- brw->vb.inputs[i].glarray = arrays[i];
- brw->vb.inputs[i].attrib = (gl_vert_attrib) i;
-
- if (arrays[i]->StrideB != 0)
- brw->vb.info.sizes[i/16] |= (brw->vb.inputs[i].glarray->Size - 1) <<
- ((i%16) * 2);
- }
-
- /* Raise statechanges if input sizes have changed. */
- if (memcmp(brw->vb.info.sizes, old.sizes, sizeof(old.sizes)) != 0)
- brw->state.dirty.brw |= BRW_NEW_INPUT_DIMENSIONS;
-}
/* May fail if out of video memory for texture or vbo upload, or on
* fallback conditions.
@@ -229,14 +188,14 @@ static GLboolean brw_try_draw_prims( struct brw_context *brw,
return 0;
}
-void brw_draw_prims( struct brw_context *brw,
- const struct gl_client_array *arrays[],
- const struct _mesa_prim *prim,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLboolean index_bounds_valid,
- GLuint min_index,
- GLuint max_index )
+
+static boolean
+brw_draw_range_elements(struct pipe_context *pipe,
+ struct pipe_buffer *index_buffer,
+ unsigned index_size,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned mode, unsigned start, unsigned count)
{
enum pipe_error ret;
@@ -256,15 +215,40 @@ void brw_draw_prims( struct brw_context *brw,
ret = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
assert(ret == 0);
}
+
+ return TRUE;
}
-void brw_draw_init( struct brw_context *brw )
+static boolean
+brw_draw_elements(struct pipe_context *pipe,
+ struct pipe_buffer *index_buffer,
+ unsigned index_size,
+ unsigned mode,
+ unsigned start, unsigned count)
{
- struct vbo_context *vbo = vbo_context(ctx);
+ return brw_draw_range_elements( pipe, index_buffer,
+ index_size,
+ 0, 0xffffffff,
+ mode,
+ start, count );
+}
+static boolean
+brw_draw_arrays(struct pipe_context *pipe, unsigned mode,
+ unsigned start, unsigned count)
+{
+ return brw_draw_elements(pipe, NULL, 0, mode, start, count);
+}
+
+
+
+void brw_draw_init( struct brw_context *brw )
+{
/* Register our drawing function:
*/
- vbo->draw_prims = brw_draw_prims;
+ brw->base.draw_arrays = brw_draw_arrays;
+ brw->base.draw_elements = brw_draw_elements;
+ brw->base.draw_range_elements = brw_draw_range_elements;
}
void brw_draw_destroy( struct brw_context *brw )
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 20:10:15 +0000