**************************************************************************/
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/state.h"
-#include "main/enums.h"
-#include "tnl/tnl.h"
-#include "vbo/vbo_context.h"
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
+#include "util/u_inlines.h"
+#include "util/u_prim.h"
+#include "util/u_upload_mgr.h"
#include "brw_draw.h"
#include "brw_defines.h"
#include "brw_context.h"
#include "brw_state.h"
-#include "brw_fallback.h"
+#include "brw_debug.h"
-#include "intel_batchbuffer.h"
-#include "intel_buffer_objects.h"
+#include "brw_batchbuffer.h"
-#define FILE_DEBUG_FLAG DEBUG_BATCH
-static GLuint prim_to_hw_prim[GL_POLYGON+1] = {
+static uint32_t prim_to_hw_prim[PIPE_PRIM_POLYGON+1] = {
_3DPRIM_POINTLIST,
_3DPRIM_LINELIST,
_3DPRIM_LINELOOP,
};
-static const GLenum reduced_prim[GL_POLYGON+1] = {
- GL_POINTS,
- GL_LINES,
- GL_LINES,
- GL_LINES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES
-};
-
/* When the primitive changes, set a state bit and re-validate. Not
* the nicest and would rather deal with this by having all the
* 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 int brw_set_prim(struct brw_context *brw, unsigned prim )
{
- GLcontext *ctx = &brw->intel.ctx;
- 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) {
+ unsigned reduced_prim;
+
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];
+ reduced_prim = u_reduced_prim(prim);
+ if (reduced_prim != brw->reduced_primitive) {
+ brw->reduced_primitive = reduced_prim;
brw->state.dirty.brw |= BRW_NEW_REDUCED_PRIMITIVE;
}
}
}
-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 int brw_emit_prim(struct brw_context *brw,
+ unsigned start,
+ unsigned count,
+ boolean indexed,
+ uint32_t hw_prim)
{
struct brw_3d_primitive prim_packet;
- struct intel_context *intel = &brw->intel;
+ int ret;
- if (INTEL_DEBUG & DEBUG_PRIMS)
- _mesa_printf("PRIM: %s %d %d\n", _mesa_lookup_enum_by_nr(prim->mode),
- prim->start, prim->count);
+ if (BRW_DEBUG & DEBUG_PRIMS)
+ debug_printf("%s start %d count %d indexed %d hw_prim %d\n",
+ __FUNCTION__, start, count, indexed, hw_prim);
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;
+ prim_packet.base_vert_location = 0; /* prim->basevertex; XXX: add this to gallium */
- /* 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
* and missed flushes of the render cache as it heads to other parts of
* the besides the draw code.
*/
- if (intel->always_flush_cache) {
+ if (0) {
BEGIN_BATCH(1, IGNORE_CLIPRECTS);
- OUT_BATCH(intel->vtbl.flush_cmd());
+ OUT_BATCH((CMD_MI_FLUSH << 16) | BRW_FLUSH_STATE_CACHE);
ADVANCE_BATCH();
}
if (prim_packet.verts_per_instance) {
- intel_batchbuffer_data( brw->intel.batch, &prim_packet,
- sizeof(prim_packet), LOOP_CLIPRECTS);
+ ret = brw_batchbuffer_data( brw->batch, &prim_packet,
+ sizeof(prim_packet), LOOP_CLIPRECTS);
+ if (ret)
+ return ret;
}
- if (intel->always_flush_cache) {
+ if (0) {
BEGIN_BATCH(1, IGNORE_CLIPRECTS);
- OUT_BATCH(intel->vtbl.flush_cmd());
+ OUT_BATCH((CMD_MI_FLUSH << 16) | BRW_FLUSH_STATE_CACHE);
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++)
- dri_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;
-}
-
-/* XXX: could split the primitive list to fallback only on the
- * non-conformant primitives.
+/* May fail if out of video memory for texture or vbo upload, or on
+ * fallback conditions.
*/
-static GLboolean check_fallbacks( struct brw_context *brw,
- const struct _mesa_prim *prim,
- GLuint nr_prims )
+static int
+try_draw_range_elements(struct brw_context *brw,
+ struct pipe_resource *index_buffer,
+ unsigned hw_prim,
+ unsigned start, unsigned count)
{
- GLcontext *ctx = &brw->intel.ctx;
- GLuint i;
-
- /* If we don't require strict OpenGL conformance, never
- * use fallbacks. If we're forcing fallbacks, always
- * use fallfacks.
- */
- if (brw->intel.conformance_mode == 0)
- return GL_FALSE;
+ int ret;
- if (brw->intel.conformance_mode == 2)
- return GL_TRUE;
-
- if (ctx->Polygon.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (reduced_prim[prim[i].mode] == GL_TRIANGLES)
- return GL_TRUE;
- }
+ ret = brw_validate_state(brw);
+ if (ret)
+ return ret;
- /* BRW hardware will do AA lines, but they are non-conformant it
- * seems. TBD whether we keep this fallback:
+ /* Check that we can fit our state in with our existing batchbuffer, or
+ * flush otherwise.
*/
- if (ctx->Line.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (reduced_prim[prim[i].mode] == GL_LINES)
- return GL_TRUE;
- }
-
- /* Stipple -- these fallbacks could be resolved with a little
- * bit of work?
- */
- if (ctx->Line.StippleFlag) {
- for (i = 0; i < nr_prims; i++) {
- /* GS doesn't get enough information to know when to reset
- * the stipple counter?!?
- */
- if (prim[i].mode == GL_LINE_LOOP || prim[i].mode == GL_LINE_STRIP)
- return GL_TRUE;
-
- if (prim[i].mode == GL_POLYGON &&
- (ctx->Polygon.FrontMode == GL_LINE ||
- ctx->Polygon.BackMode == GL_LINE))
- return GL_TRUE;
- }
- }
+ ret = brw->sws->check_aperture_space(brw->sws,
+ brw->state.validated_bos,
+ brw->state.validated_bo_count);
+ if (ret)
+ return ret;
+
+ ret = brw_upload_state(brw);
+ if (ret)
+ return ret;
+
+ ret = brw_emit_prim(brw, start, count, index_buffer != NULL, hw_prim);
+ if (ret)
+ return ret;
- if (ctx->Point.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (prim[i].mode == GL_POINTS)
- return GL_TRUE;
- }
+ if (brw->flags.always_flush_batch)
+ brw_context_flush( brw );
- /* BRW hardware doesn't handle GL_CLAMP texturing correctly;
- * brw_wm_sampler_state:translate_wrap_mode() treats GL_CLAMP
- * as GL_CLAMP_TO_EDGE instead. If we're using GL_CLAMP, and
- * we want strict conformance, force the fallback.
- * Right now, we only do this for 2D textures.
- */
- {
- int u;
- for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[u];
- if (texUnit->Enabled) {
- if (texUnit->Enabled & TEXTURE_1D_BIT) {
- if (texUnit->CurrentTex[TEXTURE_1D_INDEX]->WrapS == GL_CLAMP) {
- return GL_TRUE;
- }
- }
- if (texUnit->Enabled & TEXTURE_2D_BIT) {
- if (texUnit->CurrentTex[TEXTURE_2D_INDEX]->WrapS == GL_CLAMP ||
- texUnit->CurrentTex[TEXTURE_2D_INDEX]->WrapT == GL_CLAMP) {
- return GL_TRUE;
- }
- }
- if (texUnit->Enabled & TEXTURE_3D_BIT) {
- if (texUnit->CurrentTex[TEXTURE_3D_INDEX]->WrapS == GL_CLAMP ||
- texUnit->CurrentTex[TEXTURE_3D_INDEX]->WrapT == GL_CLAMP ||
- texUnit->CurrentTex[TEXTURE_3D_INDEX]->WrapR == GL_CLAMP) {
- return GL_TRUE;
- }
- }
- }
- }
- }
-
- /* Nothing stopping us from the fast path now */
- return GL_FALSE;
+ return 0;
}
-/* May fail if out of video memory for texture or vbo upload, or on
- * fallback conditions.
- */
-static GLboolean brw_try_draw_prims( GLcontext *ctx,
- const struct gl_client_array *arrays[],
- const struct _mesa_prim *prim,
- GLuint nr_prims,
- const struct _mesa_index_buffer *ib,
- GLuint min_index,
- GLuint max_index )
-{
- struct intel_context *intel = intel_context(ctx);
- struct brw_context *brw = brw_context(ctx);
- GLboolean retval = GL_FALSE;
- GLboolean warn = GL_FALSE;
- GLboolean first_time = GL_TRUE;
- GLuint i;
-
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- /* We have to validate the textures *before* checking for fallbacks;
- * otherwise, the software fallback won't be able to rely on the
- * texture state, the firstLevel and lastLevel fields won't be
- * set in the intel texture object (they'll both be 0), and the
- * software fallback will segfault if it attempts to access any
- * texture level other than level 0.
- */
- brw_validate_textures( brw );
- if (check_fallbacks(brw, prim, nr_prims))
- return GL_FALSE;
-
- /* Bind all inputs, derive varying and size information:
- */
- brw_merge_inputs( brw, arrays );
+static void
+brw_draw_range_elements(struct pipe_context *pipe,
+ struct pipe_resource *index_buffer,
+ unsigned index_size,
+ unsigned min_index,
+ unsigned max_index,
+ unsigned mode, unsigned start, unsigned count)
+{
+ struct brw_context *brw = brw_context(pipe);
+ int ret;
+ uint32_t hw_prim;
- brw->ib.ib = ib;
- brw->state.dirty.brw |= BRW_NEW_INDICES;
+ hw_prim = brw_set_prim(brw, mode);
- brw->vb.min_index = min_index;
- brw->vb.max_index = max_index;
- brw->state.dirty.brw |= BRW_NEW_VERTICES;
+ if (BRW_DEBUG & DEBUG_PRIMS)
+ debug_printf("PRIM: %s start %d count %d index_buffer %p\n",
+ u_prim_name(mode), start, count, (void *)index_buffer);
- /* Have to validate state quite late. Will rebuild tnl_program,
- * which depends on varying information.
- *
- * Note this is where brw->vs->prog_data.inputs_read is calculated,
- * so can't access it earlier.
+ /* Potentially trigger upload of new index buffer.
+ *
+ * XXX: do we need to go through state validation to achieve this?
+ * Could just call upload code directly.
*/
-
- LOCK_HARDWARE(intel);
-
- if (!intel->constant_cliprect && intel->driDrawable->numClipRects == 0) {
- UNLOCK_HARDWARE(intel);
- return GL_TRUE;
+ if (brw->curr.index_buffer != index_buffer ||
+ brw->curr.index_size != index_size) {
+ pipe_resource_reference( &brw->curr.index_buffer, index_buffer );
+ brw->curr.index_size = index_size;
+ brw->state.dirty.mesa |= PIPE_NEW_INDEX_BUFFER;
}
- for (i = 0; i < nr_prims; i++) {
- uint32_t hw_prim;
-
- /* Flush the batch if it's approaching full, so that we don't wrap while
- * we've got validated state that needs to be in the same batch as the
- * primitives. This fraction is just a guess (minimal full state plus
- * a primitive is around 512 bytes), and would be better if we had
- * an upper bound of how much we might emit in a single
- * brw_try_draw_prims().
- */
- intel_batchbuffer_require_space(intel->batch, intel->batch->size / 4,
- LOOP_CLIPRECTS);
-
- hw_prim = brw_set_prim(brw, prim[i].mode);
-
- if (first_time || (brw->state.dirty.brw & BRW_NEW_PRIMITIVE)) {
- first_time = GL_FALSE;
-
- brw_validate_state(brw);
-
- /* Various fallback checks: */
- if (brw->intel.Fallback)
- goto out;
-
- /* Check that we can fit our state in with our existing batchbuffer, or
- * flush otherwise.
- */
- if (dri_bufmgr_check_aperture_space(brw->state.validated_bos,
- brw->state.validated_bo_count)) {
- static GLboolean warned;
- intel_batchbuffer_flush(intel->batch);
-
- /* Validate the state after we flushed the batch (which would have
- * changed the set of dirty state). If we still fail to
- * check_aperture, warn of what's happening, but attempt to continue
- * on since it may succeed anyway, and the user would probably rather
- * see a failure and a warning than a fallback.
- */
- brw_validate_state(brw);
- if (!warned &&
- dri_bufmgr_check_aperture_space(brw->state.validated_bos,
- brw->state.validated_bo_count)) {
- warn = GL_TRUE;
- warned = GL_TRUE;
- }
- }
-
- brw_upload_state(brw);
- }
-
- brw_emit_prim(brw, &prim[i], hw_prim);
-
- retval = GL_TRUE;
+ /* XXX: do we really care?
+ */
+ if (brw->curr.min_index != min_index ||
+ brw->curr.max_index != max_index)
+ {
+ brw->curr.min_index = min_index;
+ brw->curr.max_index = max_index;
+ brw->state.dirty.mesa |= PIPE_NEW_INDEX_RANGE;
}
- if (intel->always_flush_batch)
- intel_batchbuffer_flush(intel->batch);
- out:
- UNLOCK_HARDWARE(intel);
-
- brw_state_cache_check_size(brw);
-
- if (warn)
- fprintf(stderr, "i965: Single primitive emit potentially exceeded "
- "available aperture space\n");
-
- if (!retval)
- DBG("%s failed\n", __FUNCTION__);
-
- return retval;
-}
-
-void brw_draw_prims( GLcontext *ctx,
- 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 )
-{
- GLboolean retval;
-
- if (!vbo_all_varyings_in_vbos(arrays)) {
- if (!index_bounds_valid)
- vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index);
-
- /* Decide if we want to rebase. If so we end up recursing once
- * only into this function.
- */
- if (min_index != 0) {
- vbo_rebase_prims(ctx, arrays,
- prim, nr_prims,
- ib, min_index, max_index,
- brw_draw_prims );
- return;
- }
- }
/* Make a first attempt at drawing:
*/
- retval = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
+ ret = try_draw_range_elements(brw, index_buffer, hw_prim, start, count );
- /* Otherwise, we really are out of memory. Pass the drawing
- * command to the software tnl module and which will in turn call
- * swrast to do the drawing.
+ /* Otherwise, flush and retry:
*/
- if (!retval) {
- _swsetup_Wakeup(ctx);
- _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
+ if (ret != 0) {
+ brw_context_flush( brw );
+ ret = try_draw_range_elements(brw, index_buffer, hw_prim, start, count );
+ assert(ret == 0);
}
+}
+static void
+brw_draw_elements(struct pipe_context *pipe,
+ struct pipe_resource *index_buffer,
+ unsigned index_size,
+ unsigned mode,
+ unsigned start, unsigned count)
+{
+ brw_draw_range_elements( pipe, index_buffer,
+ index_size,
+ 0, 0xffffffff,
+ mode,
+ start, count );
}
-void brw_draw_init( struct brw_context *brw )
+static void
+brw_draw_arrays(struct pipe_context *pipe, unsigned mode,
+ unsigned start, unsigned count)
{
- GLcontext *ctx = &brw->intel.ctx;
- struct vbo_context *vbo = vbo_context(ctx);
+ brw_draw_elements(pipe, NULL, 0, mode, start, count);
+}
+
+
+boolean 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;
+
+ /* Create helpers for uploading data in user buffers:
+ */
+ brw->vb.upload_vertex = u_upload_create( &brw->base,
+ 128 * 1024,
+ 64,
+ PIPE_BIND_VERTEX_BUFFER );
+ if (brw->vb.upload_vertex == NULL)
+ return FALSE;
+
+ brw->vb.upload_index = u_upload_create( &brw->base,
+ 32 * 1024,
+ 64,
+ PIPE_BIND_INDEX_BUFFER );
+ if (brw->vb.upload_index == NULL)
+ return FALSE;
+
+ return TRUE;
}
-void brw_draw_destroy( struct brw_context *brw )
+void brw_draw_cleanup( struct brw_context *brw )
{
- int i;
-
- if (brw->vb.upload.bo != NULL) {
- dri_bo_unreference(brw->vb.upload.bo);
- brw->vb.upload.bo = NULL;
- }
-
- for (i = 0; i < VERT_ATTRIB_MAX; i++) {
- dri_bo_unreference(brw->vb.inputs[i].bo);
- brw->vb.inputs[i].bo = NULL;
- }
+ u_upload_destroy( brw->vb.upload_vertex );
+ u_upload_destroy( brw->vb.upload_index );
- dri_bo_unreference(brw->ib.bo);
- brw->ib.bo = NULL;
+ bo_reference(&brw->ib.bo, NULL);
}
projects / mesa.git / blobdiff