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-rw-r--r--src/gallium/drivers/r300/r300_context.c8
-rw-r--r--src/gallium/drivers/r300/r300_render.c147
2 files changed, 152 insertions, 3 deletions
diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c
index b09acb7f2b6..cce76cb1dfe 100644
--- a/src/gallium/drivers/r300/r300_context.c
+++ b/src/gallium/drivers/r300/r300_context.c
@@ -373,14 +373,16 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen,
r300_init_blit_functions(r300);
r300_init_flush_functions(r300);
r300_init_query_functions(r300);
- r300_init_render_functions(r300);
r300_init_state_functions(r300);
r300_init_resource_functions(r300);
- rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
-
r300->blitter = util_blitter_create(&r300->context);
+ /* Render functions must be initialized after blitter. */
+ r300_init_render_functions(r300);
+
+ rws->set_flush_cb(r300->rws, r300_flush_cb, r300);
+
r300->upload_ib = u_upload_create(&r300->context,
32 * 1024, 16,
PIPE_BIND_INDEX_BUFFER);
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index 55c7758b751..adb02b4e639 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -1019,6 +1019,152 @@ struct draw_stage* r300_draw_stage(struct r300_context* r300)
* End of SW TCL functions *
***************************************************************************/
+/* If we used a quad to draw a rectangle, the pixels on the main diagonal
+ * would be computed and stored twice, which makes the clear/copy codepaths
+ * somewhat inefficient. Instead we use a rectangular point sprite with TCL
+ * turned off. */
+static void r300_blitter_draw_rectangle(struct blitter_context *blitter,
+ unsigned x1, unsigned y1,
+ unsigned x2, unsigned y2,
+ float depth,
+ enum blitter_attrib_type type,
+ const float attrib[4])
+{
+ struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter));
+ unsigned width = x2 - x1;
+ unsigned height = y2 - y1;
+ unsigned i, dwords;
+ unsigned vertex_size = type == UTIL_BLITTER_ATTRIB_COLOR ? 7 : 3;
+ unsigned last_sprite_coord_enable = r300->sprite_coord_enable;
+ uint32_t vap_cntl_status;
+ CB_LOCALS;
+
+ /* Compute the number of dwords. */
+ dwords = r300->draw ? 0 : 4;
+ switch (type) {
+ case UTIL_BLITTER_ATTRIB_COLOR:
+ dwords += 29;
+ break;
+
+ case UTIL_BLITTER_ATTRIB_TEXCOORD:
+ dwords += 32;
+ break;
+
+ case UTIL_BLITTER_ATTRIB_NONE:
+ dwords += 25;
+ break;
+ }
+
+ /* Initialize the VAP control. */
+ vap_cntl_status = R300_VAP_TCL_BYPASS;
+#ifdef PIPE_ARCH_LITTLE_ENDIAN
+ vap_cntl_status |= R300_VC_NO_SWAP;
+#else
+ vap_cntl_status |= R300_VC_32BIT_SWAP);
+#endif
+
+ if (type == UTIL_BLITTER_ATTRIB_TEXCOORD)
+ r300->sprite_coord_enable = 1;
+
+ r300_update_derived_state(r300);
+
+ /* Mark some states we don't care about as non-dirty. */
+ r300->viewport_state.dirty = FALSE;
+ r300->clip_state.dirty = FALSE;
+ r300->vertex_stream_state.dirty = FALSE;
+ r300->vs_state.dirty = FALSE;
+ r300->vs_constants.dirty = FALSE;
+
+ r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0, NULL);
+
+ BEGIN_CS_AS_CB(r300, dwords);
+ /* Set up GA. */
+ OUT_CB_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16));
+
+ switch (type) {
+ case UTIL_BLITTER_ATTRIB_COLOR:
+ /* Set up the VAP output. */
+ OUT_CB_REG(R300_VAP_VSM_VTX_ASSM,
+ R300_INPUT_CNTL_POS | R300_INPUT_CNTL_COLOR);
+ OUT_CB_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
+ OUT_CB(R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT |
+ R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT);
+ OUT_CB(0);
+ /* Set up PSC. */
+ OUT_CB_REG(R300_VAP_PROG_STREAM_CNTL_0,
+ R300_DATA_TYPE_FLOAT_3 |
+ ((R300_DATA_TYPE_FLOAT_4 | (2 << R300_DST_VEC_LOC_SHIFT) |
+ R300_LAST_VEC) << 16));
+ OUT_CB_REG(R300_VAP_PROG_STREAM_CNTL_EXT_0,
+ R300_VAP_SWIZZLE_XYZ1 | (R300_VAP_SWIZZLE_XYZW << 16));
+ break;
+
+ case UTIL_BLITTER_ATTRIB_TEXCOORD:
+ /* Set up the GA to generate texcoords. */
+ OUT_CB_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
+ (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT));
+ OUT_CB_REG_SEQ(R300_GA_POINT_S0, 4);
+ OUT_CB_32F(attrib[0]);
+ OUT_CB_32F(attrib[3]);
+ OUT_CB_32F(attrib[2]);
+ OUT_CB_32F(attrib[1]);
+ /* Pass-through. */
+
+ case UTIL_BLITTER_ATTRIB_NONE:
+ /* Set up the VAP output. */
+ OUT_CB_REG(R300_VAP_VSM_VTX_ASSM, R300_INPUT_CNTL_POS);
+ OUT_CB_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
+ OUT_CB(R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT);
+ OUT_CB(0);
+ /* Set up PSC. */
+ OUT_CB_REG(R300_VAP_PROG_STREAM_CNTL_0,
+ R300_DATA_TYPE_FLOAT_3 | R300_LAST_VEC);
+ OUT_CB_REG(R300_VAP_PROG_STREAM_CNTL_EXT_0, R300_VAP_SWIZZLE_XYZ1);
+ break;
+ }
+
+ /* Set up VAP controls. */
+ if (!r300->draw)
+ OUT_CB_REG(R300_VAP_CNTL_STATUS, vap_cntl_status);
+ OUT_CB_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
+ OUT_CB_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT);
+ OUT_CB_REG(R300_VAP_VTX_SIZE, vertex_size);
+ OUT_CB_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
+ OUT_CB(1);
+ OUT_CB(0);
+
+ /* Draw. */
+ OUT_CB_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size);
+ OUT_CB(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) |
+ R300_VAP_VF_CNTL__PRIM_POINTS);
+
+ OUT_CB_32F(x1 + width * 0.5f);
+ OUT_CB_32F(y1 + height * 0.5f);
+ OUT_CB_32F(depth);
+
+ if (type == UTIL_BLITTER_ATTRIB_COLOR)
+ for (i = 0; i < 4; i++)
+ OUT_CB_32F(attrib[i]);
+
+ /* If we do not re-enable VAP immediately after the draw packet,
+ * it goes crazy. Sometimes I wish this hardware didn't do random shit. */
+ if (!r300->draw)
+ OUT_CB_REG(R300_VAP_CNTL_STATUS,
+ vap_cntl_status & ~R300_VAP_TCL_BYPASS);
+ END_CB;
+
+ /* Restore the state. */
+ r300->clip_state.dirty = TRUE;
+ r300->rs_block_state.dirty = TRUE;
+ r300->rs_state.dirty = TRUE;
+ r300->vertex_stream_state.dirty = TRUE;
+ r300->viewport_state.dirty = TRUE;
+ r300->vs_state.dirty = TRUE;
+ r300->vs_constants.dirty = TRUE;
+
+ r300->sprite_coord_enable = last_sprite_coord_enable;
+}
+
static void r300_resource_resolve(struct pipe_context* pipe,
struct pipe_resource* dest,
struct pipe_subresource subdest,
@@ -1072,6 +1218,7 @@ void r300_init_render_functions(struct r300_context *r300)
}
r300->context.resource_resolve = r300_resource_resolve;
+ r300->blitter->draw_rectangle = r300_blitter_draw_rectangle;
/* Plug in the two-sided stencil reference value fallback if needed. */
if (!r300->screen->caps.is_r500)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 17:55:59 +0000