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path: root/src/gallium/drivers/r300/r300_render.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
-rw-r--r--src/gallium/drivers/r300/r300_render.c388
1 files changed, 324 insertions, 64 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index 737396d8d9..35b335df6a 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -20,19 +20,333 @@
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
-#include "draw/draw_pipe.h"
+/* r300_render: Vertex and index buffer primitive emission. Contains both
+ * HW TCL fastpath rendering, and SW TCL Draw-assisted rendering. */
+
+#include "draw/draw_context.h"
#include "draw/draw_vbuf.h"
+
+#include "pipe/p_inlines.h"
+
#include "util/u_memory.h"
+#include "util/u_prim.h"
#include "r300_cs.h"
#include "r300_context.h"
#include "r300_emit.h"
#include "r300_reg.h"
+#include "r300_render.h"
#include "r300_state_derived.h"
+#include "r300_vbo.h"
/* r300_render: Vertex and index buffer primitive emission. */
#define R300_MAX_VBO_SIZE (1024 * 1024)
+uint32_t r300_translate_primitive(unsigned prim)
+{
+ switch (prim) {
+ case PIPE_PRIM_POINTS:
+ return R300_VAP_VF_CNTL__PRIM_POINTS;
+ case PIPE_PRIM_LINES:
+ return R300_VAP_VF_CNTL__PRIM_LINES;
+ case PIPE_PRIM_LINE_LOOP:
+ return R300_VAP_VF_CNTL__PRIM_LINE_LOOP;
+ case PIPE_PRIM_LINE_STRIP:
+ return R300_VAP_VF_CNTL__PRIM_LINE_STRIP;
+ case PIPE_PRIM_TRIANGLES:
+ return R300_VAP_VF_CNTL__PRIM_TRIANGLES;
+ case PIPE_PRIM_TRIANGLE_STRIP:
+ return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP;
+ case PIPE_PRIM_TRIANGLE_FAN:
+ return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN;
+ case PIPE_PRIM_QUADS:
+ return R300_VAP_VF_CNTL__PRIM_QUADS;
+ case PIPE_PRIM_QUAD_STRIP:
+ return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP;
+ case PIPE_PRIM_POLYGON:
+ return R300_VAP_VF_CNTL__PRIM_POLYGON;
+ default:
+ return 0;
+ }
+}
+
+static boolean r300_nothing_to_draw(struct r300_context *r300)
+{
+ return r300->rs_state->rs.scissor &&
+ r300->scissor_state->scissor.empty_area;
+}
+
+static void r300_emit_draw_arrays(struct r300_context *r300,
+ unsigned mode,
+ unsigned count)
+{
+ CS_LOCALS(r300);
+
+ BEGIN_CS(4);
+ OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count);
+ OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
+ OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) |
+ r300_translate_primitive(mode));
+ END_CS;
+}
+
+static void r300_emit_draw_elements(struct r300_context *r300,
+ struct pipe_buffer* indexBuffer,
+ unsigned indexSize,
+ unsigned minIndex,
+ unsigned maxIndex,
+ unsigned mode,
+ unsigned start,
+ unsigned count)
+{
+ uint32_t count_dwords;
+ uint32_t offset_dwords = indexSize * start / sizeof(uint32_t);
+ CS_LOCALS(r300);
+
+ /* XXX most of these are stupid */
+ assert(indexSize == 4 || indexSize == 2);
+ assert((start * indexSize) % 4 == 0);
+ assert(offset_dwords == 0);
+
+ BEGIN_CS(10);
+ OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex);
+ OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
+ if (indexSize == 4) {
+ count_dwords = count + start;
+ OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
+ R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
+ r300_translate_primitive(mode));
+ } else {
+ count_dwords = (count + start + 1) / 2;
+ OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
+ r300_translate_primitive(mode));
+ }
+
+ /* INDX_BUFFER is a truly special packet3.
+ * Unlike most other packet3, where the offset is after the count,
+ * the order is reversed, so the relocation ends up carrying the
+ * size of the indexbuf instead of the offset.
+ *
+ * XXX Fix offset
+ */
+ OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
+ OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) |
+ (0 << R300_INDX_BUFFER_SKIP_SHIFT));
+ OUT_CS(offset_dwords);
+ OUT_CS_RELOC(indexBuffer, count_dwords,
+ RADEON_GEM_DOMAIN_GTT, 0, 0);
+
+ END_CS;
+}
+
+
+static boolean r300_setup_vertex_buffers(struct r300_context *r300)
+{
+ struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
+ struct pipe_vertex_element *velem = r300->vertex_element;
+
+validate:
+ for (int i = 0; i < r300->vertex_element_count; i++) {
+ if (!r300->winsys->add_buffer(r300->winsys,
+ vbuf[velem[i].vertex_buffer_index].buffer,
+ RADEON_GEM_DOMAIN_GTT, 0)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ goto validate;
+ }
+ }
+
+ if (!r300->winsys->validate(r300->winsys)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ return r300->winsys->validate(r300->winsys);
+ }
+
+ return TRUE;
+}
+
+/* This is the fast-path drawing & emission for HW TCL. */
+boolean r300_draw_range_elements(struct pipe_context* pipe,
+ struct pipe_buffer* indexBuffer,
+ unsigned indexSize,
+ unsigned minIndex,
+ unsigned maxIndex,
+ unsigned mode,
+ unsigned start,
+ unsigned count)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ if (!u_trim_pipe_prim(mode, &count)) {
+ return FALSE;
+ }
+
+
+ if (count > 65535) {
+ return FALSE;
+ }
+
+ if (r300_nothing_to_draw(r300)) {
+ return TRUE;
+ }
+
+ r300_update_derived_state(r300);
+
+ if (!r300_setup_vertex_buffers(r300)) {
+ return FALSE;
+ }
+
+ setup_index_buffer(r300, indexBuffer, indexSize);
+
+ r300_emit_dirty_state(r300);
+
+ r300_emit_aos(r300, 0);
+
+ r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex,
+ mode, start, count);
+
+ return TRUE;
+}
+
+/* Simple helpers for context setup. Should probably be moved to util. */
+boolean r300_draw_elements(struct pipe_context* pipe,
+ struct pipe_buffer* indexBuffer,
+ unsigned indexSize, unsigned mode,
+ unsigned start, unsigned count)
+{
+ return pipe->draw_range_elements(pipe, indexBuffer, indexSize, 0, ~0,
+ mode, start, count);
+}
+
+boolean r300_draw_arrays(struct pipe_context* pipe, unsigned mode,
+ unsigned start, unsigned count)
+{
+ struct r300_context* r300 = r300_context(pipe);
+
+ if (!u_trim_pipe_prim(mode, &count)) {
+ return FALSE;
+ }
+
+ if (count > 65535) {
+ return FALSE;
+ }
+
+ if (r300_nothing_to_draw(r300)) {
+ return TRUE;
+ }
+
+ r300_update_derived_state(r300);
+
+ if (!r300_setup_vertex_buffers(r300)) {
+ return FALSE;
+ }
+
+ r300_emit_dirty_state(r300);
+
+ r300_emit_aos(r300, start);
+
+ r300_emit_draw_arrays(r300, mode, count);
+
+ return TRUE;
+}
+
+/****************************************************************************
+ * The rest of this file is for SW TCL rendering only. Please be polite and *
+ * keep these functions separated so that they are easier to locate. ~C. *
+ ***************************************************************************/
+
+/* SW TCL arrays, using Draw. */
+boolean r300_swtcl_draw_arrays(struct pipe_context* pipe,
+ unsigned mode,
+ unsigned start,
+ unsigned count)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ int i;
+
+ if (!u_trim_pipe_prim(mode, &count)) {
+ return FALSE;
+ }
+
+ if (r300_nothing_to_draw(r300)) {
+ return TRUE;
+ }
+
+ for (i = 0; i < r300->vertex_buffer_count; i++) {
+ void* buf = pipe_buffer_map(pipe->screen,
+ r300->vertex_buffer[i].buffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ draw_set_mapped_vertex_buffer(r300->draw, i, buf);
+ }
+
+ draw_set_mapped_element_buffer(r300->draw, 0, NULL);
+
+ draw_set_mapped_constant_buffer(r300->draw,
+ r300->shader_constants[PIPE_SHADER_VERTEX].constants,
+ r300->shader_constants[PIPE_SHADER_VERTEX].count *
+ (sizeof(float) * 4));
+
+ draw_arrays(r300->draw, mode, start, count);
+
+ for (i = 0; i < r300->vertex_buffer_count; i++) {
+ pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer);
+ draw_set_mapped_vertex_buffer(r300->draw, i, NULL);
+ }
+
+ return TRUE;
+}
+
+/* SW TCL elements, using Draw. */
+boolean r300_swtcl_draw_range_elements(struct pipe_context* pipe,
+ struct pipe_buffer* indexBuffer,
+ unsigned indexSize,
+ unsigned minIndex,
+ unsigned maxIndex,
+ unsigned mode,
+ unsigned start,
+ unsigned count)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ int i;
+
+ if (!u_trim_pipe_prim(mode, &count)) {
+ return FALSE;
+ }
+
+ if (r300_nothing_to_draw(r300)) {
+ return TRUE;
+ }
+
+ for (i = 0; i < r300->vertex_buffer_count; i++) {
+ void* buf = pipe_buffer_map(pipe->screen,
+ r300->vertex_buffer[i].buffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ draw_set_mapped_vertex_buffer(r300->draw, i, buf);
+ }
+
+ void* indices = pipe_buffer_map(pipe->screen, indexBuffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ draw_set_mapped_element_buffer_range(r300->draw, indexSize,
+ minIndex, maxIndex, indices);
+
+ draw_set_mapped_constant_buffer(r300->draw,
+ r300->shader_constants[PIPE_SHADER_VERTEX].constants,
+ r300->shader_constants[PIPE_SHADER_VERTEX].count *
+ (sizeof(float) * 4));
+
+ draw_arrays(r300->draw, mode, start, count);
+
+ for (i = 0; i < r300->vertex_buffer_count; i++) {
+ pipe_buffer_unmap(pipe->screen, r300->vertex_buffer[i].buffer);
+ draw_set_mapped_vertex_buffer(r300->draw, i, NULL);
+ }
+
+ pipe_buffer_unmap(pipe->screen, indexBuffer);
+ draw_set_mapped_element_buffer_range(r300->draw, 0, start,
+ start + count - 1, NULL);
+
+ return TRUE;
+}
+
+/* Object for rendering using Draw. */
struct r300_render {
/* Parent class */
struct vbuf_render base;
@@ -67,7 +381,7 @@ r300_render_get_vertex_info(struct vbuf_render* render)
r300_update_derived_state(r300);
- return &r300->vertex_info.vinfo;
+ return &r300->vertex_info->vinfo;
}
static boolean r300_render_allocate_vertices(struct vbuf_render* render,
@@ -79,12 +393,14 @@ static boolean r300_render_allocate_vertices(struct vbuf_render* render,
struct pipe_screen* screen = r300->context.screen;
size_t size = (size_t)vertex_size * (size_t)count;
- if (size + r300render->vbo_offset > r300render->vbo_size)
+ if (size + r300render->vbo_offset > r300render->vbo_size)
{
+ pipe_buffer_reference(&r300->vbo, NULL);
r300render->vbo = pipe_buffer_create(screen,
64,
PIPE_BUFFER_USAGE_VERTEX,
R300_MAX_VBO_SIZE);
+ r300render->vbo_offset = 0;
r300render->vbo_size = R300_MAX_VBO_SIZE;
}
@@ -117,7 +433,7 @@ static void r300_render_unmap_vertices(struct vbuf_render* render,
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max);
END_CS;
- r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
+ r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
r300render->vertex_size * (max + 1));
pipe_buffer_unmap(screen, r300render->vbo);
}
@@ -125,67 +441,22 @@ static void r300_render_unmap_vertices(struct vbuf_render* render,
static void r300_render_release_vertices(struct vbuf_render* render)
{
struct r300_render* r300render = r300_render(render);
- struct r300_context* r300 = r300render->r300;
r300render->vbo_offset += r300render->vbo_max_used;
r300render->vbo_max_used = 0;
- r300->vbo = NULL;
}
static boolean r300_render_set_primitive(struct vbuf_render* render,
unsigned prim)
{
struct r300_render* r300render = r300_render(render);
- r300render->prim = prim;
- switch (prim) {
- case PIPE_PRIM_POINTS:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_POINTS;
- break;
- case PIPE_PRIM_LINES:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINES;
- break;
- case PIPE_PRIM_LINE_LOOP:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINE_LOOP;
- break;
- case PIPE_PRIM_LINE_STRIP:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_LINE_STRIP;
- break;
- case PIPE_PRIM_TRIANGLES:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLES;
- break;
- case PIPE_PRIM_TRIANGLE_STRIP:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP;
- break;
- case PIPE_PRIM_TRIANGLE_FAN:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN;
- break;
- case PIPE_PRIM_QUADS:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_QUADS;
- break;
- case PIPE_PRIM_QUAD_STRIP:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_QUAD_STRIP;
- break;
- case PIPE_PRIM_POLYGON:
- r300render->hwprim = R300_VAP_VF_CNTL__PRIM_POLYGON;
- break;
- default:
- return FALSE;
- break;
- }
+ r300render->prim = prim;
+ r300render->hwprim = r300_translate_primitive(prim);
return TRUE;
}
-static void r300_prepare_render(struct r300_render* render, unsigned count)
-{
- struct r300_context* r300 = render->r300;
-
- CS_LOCALS(r300);
-
- r300_emit_dirty_state(r300);
-}
-
static void r300_render_draw_arrays(struct vbuf_render* render,
unsigned start,
unsigned count)
@@ -195,7 +466,7 @@ static void r300_render_draw_arrays(struct vbuf_render* render,
CS_LOCALS(r300);
- r300_prepare_render(r300render, count);
+ r300_emit_dirty_state(r300);
DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count);
@@ -212,22 +483,11 @@ static void r300_render_draw(struct vbuf_render* render,
{
struct r300_render* r300render = r300_render(render);
struct r300_context* r300 = r300render->r300;
- struct pipe_screen* screen = r300->context.screen;
- struct pipe_buffer* index_buffer;
- void* index_map;
int i;
- uint32_t index;
CS_LOCALS(r300);
- r300_prepare_render(r300render, count);
-
- /* Send our indices into an index buffer. */
- index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX,
- count * 2);
- if (!index_buffer) {
- return;
- }
+ r300_emit_dirty_state(r300);
BEGIN_CS(2 + (count+1)/2);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 22:04:55 +0000