-/* 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 )
+#include "brw_context.h"
+#include "brw_pipe_rast.h"
+
+
+#if 0
+
+static GLboolean need_swtnl( struct brw_context *brw )
{
- GLuint i;
+ const struct pipe_rasterizer_state *rast = &brw->curr.rast->templ;
/* 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->flags.no_swtnl)
+ return FALSE;
- if (brw->intel.conformance_mode == 2)
- return GL_TRUE;
+ if (brw->flags.force_swtnl)
+ return TRUE;
- if (ctx->Polygon.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (reduced_prim[prim[i].mode] == GL_TRIANGLES)
- return GL_TRUE;
+ /* Exceeding hw limits on number of VS inputs?
+ */
+ if (brw->curr.num_vertex_elements == 0 ||
+ brw->curr.num_vertex_elements >= BRW_VEP_MAX) {
+ return TRUE;
}
- /* BRW hardware will do AA lines, but they are non-conformant it
- * seems. TBD whether we keep this fallback:
+ /* Position array with zero stride?
+ *
+ * XXX: position isn't always at zero...
+ * XXX: eliminate zero-stride arrays
*/
- if (ctx->Line.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (reduced_prim[prim[i].mode] == GL_LINES)
- return GL_TRUE;
+ {
+ int ve0_vb = brw->curr.vertex_element[0].vertex_buffer_index;
+
+ if (brw->curr.vertex_buffer[ve0_vb].stride == 0)
+ return TRUE;
}
- /* Stipple -- these fallbacks could be resolved with a little
- * bit of work?
+ /* XXX: short-circuit
*/
- 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;
- }
- }
+ return FALSE;
- if (ctx->Point.SmoothFlag) {
- for (i = 0; i < nr_prims; i++)
- if (prim[i].mode == GL_POINTS)
- return GL_TRUE;
- }
+ if (brw->reduced_primitive == PIPE_PRIM_TRIANGLES) {
+ if (rast->poly_smooth)
+ return 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.
- */
+ }
+
+ if (brw->reduced_primitive == PIPE_PRIM_LINES ||
+ (brw->reduced_primitive == PIPE_PRIM_TRIANGLES &&
+ (rast->fill_cw == PIPE_POLYGON_MODE_LINE ||
+ rast->fill_ccw == PIPE_POLYGON_MODE_LINE)))
{
- 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;
- }
- }
- }
- }
+ /* BRW hardware will do AA lines, but they are non-conformant it
+ * seems. TBD whether we keep this fallback:
+ */
+ if (rast->line_smooth)
+ return TRUE;
+
+ /* XXX: was a fallback in mesa (gs doesn't get enough
+ * information to know when to reset stipple counter), but there
+ * must be a way around it.
+ */
+ if (rast->line_stipple_enable &&
+ (brw->reduced_primitive == PIPE_PRIM_TRIANGLES ||
+ brw->primitive == PIPE_PRIM_LINE_LOOP ||
+ brw->primitive == PIPE_PRIM_LINE_STRIP))
+ return TRUE;
}
- /* Exceeding hw limits on number of VS inputs?
- */
- if (brw->nr_ve == 0 ||
- brw->nr_ve >= BRW_VEP_MAX) {
- return TRUE;
+
+ if (brw->reduced_primitive == PIPE_PRIM_POINTS ||
+ (brw->reduced_primitive == PIPE_PRIM_TRIANGLES &&
+ (rast->fill_cw == PIPE_POLYGON_MODE_POINT ||
+ rast->fill_ccw == PIPE_POLYGON_MODE_POINT)))
+ {
+ if (rast->point_smooth)
+ return TRUE;
}
- /* Position array with zero stride?
+ /* BRW hardware doesn't handle CLAMP texturing correctly;
+ * brw_wm_sampler_state:translate_wrap_mode() treats CLAMP
+ * as CLAMP_TO_EDGE instead. If we're using CLAMP, and
+ * we want strict conformance, force the fallback.
+ *
+ * XXX: need a workaround for this.
*/
- if (brw->vs[brw->ve[0]]->stride == 0)
- return TRUE;
-
-
/* Nothing stopping us from the fast path now */
- return GL_FALSE;
+ return FALSE;
}
-
-
-
+#endif
projects / mesa.git / blobdiff