#include "brw_defines.h"
#include "brw_context.h"
#include "brw_state.h"
-#include "brw_fallback.h"
#include "intel_batchbuffer.h"
#include "intel_buffer_objects.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
brw->state.dirty.brw |= BRW_NEW_INPUT_DIMENSIONS;
}
-/* XXX: could split the primitive list to fallback only on the
- * non-conformant primitives.
- */
-static GLboolean check_fallbacks( struct brw_context *brw,
- const struct _mesa_prim *prim,
- GLuint nr_prims )
-{
- 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;
-
- 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;
- }
-
- /* BRW hardware will do AA lines, but they are non-conformant it
- * seems. TBD whether we keep this fallback:
- */
- 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;
- }
- }
-
- if (ctx->Point.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (prim[i].mode == GL_POINTS)
- return GL_TRUE;
- }
-
- /* 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;
-}
-
/* May fail if out of video memory for texture or vbo upload, or on
* fallback conditions.
*/
GLboolean retval = GL_FALSE;
GLboolean warn = GL_FALSE;
GLboolean first_time = GL_TRUE;
+ uint32_t hw_prim;
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 );
brw->vb.max_index = max_index;
brw->state.dirty.brw |= BRW_NEW_VERTICES;
- /* 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.
- */
-
- LOCK_HARDWARE(intel);
-
- if (!intel->constant_cliprect && intel->driDrawable->numClipRects == 0) {
- UNLOCK_HARDWARE(intel);
- return GL_TRUE;
- }
-
- 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);
- }
+ hw_prim = brw_set_prim(brw, prim[i].mode);
- brw_emit_prim(brw, &prim[i], hw_prim);
+ brw_validate_state(brw);
- retval = GL_TRUE;
- }
+ /* Check that we can fit our state in with our existing batchbuffer, or
+ * flush otherwise.
+ */
+ ret = dri_bufmgr_check_aperture_space(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, &prim[i], hw_prim);
+ if (ret)
+ return ret;
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;
+ return 0;
}
void brw_draw_prims( GLcontext *ctx,
GLuint min_index,
GLuint max_index )
{
- GLboolean retval;
+ enum pipe_error ret;
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 = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
/* 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.
*/
- if (!retval) {
- _swsetup_Wakeup(ctx);
- _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
+ if (ret != 0) {
+ intel_batchbuffer_flush(intel->batch);
+ ret = brw_try_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
+ assert(ret == 0);
}
-
}
void brw_draw_init( struct brw_context *brw )
projects / mesa.git / blobdiff