Mesa (master): r300-gallium: Turn swtcl_emit into a vbuf_render stage.
Keith Whitwell
keithw at kemper.freedesktop.org
Wed Feb 18 12:55:59 UTC 2009
Module: Mesa
Branch: master
Commit: 81daa5323efbe798b11ea73d7ba289f3bb5e24cf
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=81daa5323efbe798b11ea73d7ba289f3bb5e24cf
Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date: Tue Feb 17 19:04:39 2009 -0800
r300-gallium: Turn swtcl_emit into a vbuf_render stage.
Movin' out of the Stone Ages.
---
src/gallium/drivers/r300/r300_swtcl_emit.c | 290 +++++++++++++++++++---------
1 files changed, 195 insertions(+), 95 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_swtcl_emit.c b/src/gallium/drivers/r300/r300_swtcl_emit.c
index 76ef489..b745cee 100644
--- a/src/gallium/drivers/r300/r300_swtcl_emit.c
+++ b/src/gallium/drivers/r300/r300_swtcl_emit.c
@@ -21,144 +21,244 @@
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "draw/draw_pipe.h"
+#include "draw/draw_vbuf.h"
#include "util/u_memory.h"
#include "r300_cs.h"
#include "r300_context.h"
#include "r300_reg.h"
-/* r300_swtcl_emit: Primitive vertex emission using an immediate
- * vertex buffer and no HW TCL. */
+/* r300_swtcl_emit: Vertex and index buffer primitive emission. No HW TCL. */
-struct swtcl_stage {
+struct r300_swtcl_render {
/* Parent class */
- struct draw_stage draw;
-
+ struct vbuf_render base;
+
+ /* Pipe context */
struct r300_context* r300;
+
+ /* Vertex information */
+ size_t vertex_size;
+ unsigned prim;
+ unsigned hwprim;
+
+ /* VBO */
+ struct pipe_buffer* vbo;
+ size_t vbo_size;
+ size_t vbo_offset;
+ void* vbo_map;
+ size_t vbo_alloc_size;
+ size_t vbo_max_used;
};
-static INLINE struct swtcl_stage* swtcl_stage(struct draw_stage* draw) {
- return (struct swtcl_stage*)draw;
+static INLINE struct r300_swtcl_render*
+r300_swtcl_render(struct vbuf_render* render)
+{
+ return (struct r300_swtcl_render*)render;
}
-static INLINE void r300_emit_vertex(struct r300_context* r300,
- const struct vertex_header* vertex)
+static const struct vertex_info*
+r300_swtcl_render_get_vertex_info(struct vbuf_render* render)
{
- struct vertex_info* vinfo = &r300->vertex_info;
- CS_LOCALS(r300);
- uint i, j;
-
- for (i = 0; i < vinfo->num_attribs; i++) {
- j = vinfo->attrib[i].src_index;
- switch (vinfo->attrib[i].emit) {
- case EMIT_1F:
- OUT_CS_32F(vertex->data[j][0]);
- break;
- case EMIT_2F:
- OUT_CS_32F(vertex->data[j][0]);
- OUT_CS_32F(vertex->data[j][1]);
- break;
- case EMIT_3F:
- OUT_CS_32F(vertex->data[j][0]);
- OUT_CS_32F(vertex->data[j][1]);
- OUT_CS_32F(vertex->data[j][2]);
- break;
- case EMIT_4F:
- OUT_CS_32F(vertex->data[j][0]);
- OUT_CS_32F(vertex->data[j][1]);
- OUT_CS_32F(vertex->data[j][2]);
- OUT_CS_32F(vertex->data[j][3]);
- break;
- default:
- debug_printf("r300: Unknown emit value %d\n",
- vinfo->attrib[i].emit);
- break;
- }
- }
+ struct r300_swtcl_render* r300render = r300_swtcl_render(render);
+ struct r300_context* r300 = r300render->r300;
+
+ r300_update_derived_state(r300);
+
+ return &r300->vertex_info;
}
-static INLINE void r300_emit_prim(struct draw_stage* draw,
- struct prim_header* prim,
- unsigned hwprim,
- unsigned count)
+static boolean r300_swtcl_render_allocate_vertices(struct vbuf_render* render,
+ ushort vertex_size,
+ ushort count)
{
- struct r300_context* r300 = swtcl_stage(draw)->r300;
- CS_LOCALS(r300);
- int i;
+ struct r300_swtcl_render* r300render = r300_swtcl_render(render);
+ struct r300_context* r300 = r300render->r300;
+ struct pipe_screen* screen = r300->context.screen;
+ size_t size = (size_t)vertex_size * (size_t)count;
- r300_emit_dirty_state(r300);
+ if (r300render->vbo) {
+ pipe_buffer_reference(screen, r300render->vbo, NULL);
+ }
- BEGIN_CS(3);
- OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
- OUT_CS(r300->vertex_info.hwfmt[0]);
- OUT_CS(r300->vertex_info.hwfmt[1]);
- END_CS;
+ r300render->vbo_size = MAX2(size, r300render->vbo_alloc_size);
+ r300render->vbo_offset = 0;
+ r300render->vbo = pipe_buffer_create(screen,
+ 64,
+ PIPE_BUFFER_USAGE_VERTEX,
+ r300render->vbo_size);
- BEGIN_CS(2 + (count * r300->vertex_info.size) + 2);
- OUT_CS(CP_PACKET3(R200_3D_DRAW_IMMD_2, count));
- OUT_CS(hwprim | R300_PRIM_WALK_RING |
- (count << R300_PRIM_NUM_VERTICES_SHIFT));
+ r300render->vertex_size = vertex_size;
- for (i = 0; i < count; i++) {
- r300_emit_vertex(r300, prim->v[i]);
+ if (r300render->vbo) {
+ return true;
+ } else {
+ return false;
}
-
- END_CS;
}
-/* Just as an aside...
- *
- * Radeons can do many more primitives:
- * - Line strip
- * - Triangle fan
- * - Triangle strip
- * - Line loop
- * - Quads
- * - Quad strip
- * - Polygons
- *
- * The following were just the only ones in Draw. */
-
-static void r300_emit_point(struct draw_stage* draw, struct prim_header* prim)
+static void* r300_swtcl_render_map_vertices(struct vbuf_render* render)
{
- r300_emit_prim(draw, prim, R300_PRIM_TYPE_POINT, 1);
+ struct r300_swtcl_render* r300render = r300_swtcl_render(render);
+ struct pipe_screen* screen = r300render->r300->context.screen;
+
+ r300render->vbo_map = pipe_buffer_map(screen, r300render->vbo,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+
+ return (unsigned char*)r300render->vbo_map + r300render->vbo_offset;
}
-static void r300_emit_line(struct draw_stage* draw, struct prim_header* prim)
+static void* r300_swtcl_render_unmap_vertices(struct vbuf_render* render,
+ ushort min,
+ ushort max)
{
- r300_emit_prim(draw, prim, R300_PRIM_TYPE_LINE, 2);
+ struct r300_swtcl_render* r300render = r300_swtcl_render(render);
+ struct pipe_screen* screen = r300render->r300->context.screen;
+
+ r300render->vbo_max_used = MAX2(r300render->vbo_max_used,
+ r300render->vertex_size * (max + 1));
+
+ pipe_buffer_unmap(screen, r300render->vbo);
}
-static void r300_emit_tri(struct draw_stage* draw, struct prim_header* prim)
+static void r300_swtcl_render_release_vertices(struct vbuf_render* render)
{
- r300_emit_prim(draw, prim, R300_PRIM_TYPE_TRI_LIST, 3);
+ struct r300_swtcl_render* r300render = r300_swtcl_render(render);
+ struct pipe_screen* screen = r300render->r300->context.screen;
+
+ pipe_buffer_reference(screen, r300render->vbo, NULL);
}
-static void r300_swtcl_flush(struct draw_stage* draw, unsigned flags)
+static boolean r300_swtcl_render_set_primitive(struct vbuf_render* render,
+ unsigned prim)
{
+ struct r300_swtcl_render* r300render = r300_swtcl_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;
+ }
+
+ return true;
}
-static void r300_reset_stipple(struct draw_stage* draw)
+static void r300_swtcl_render_draw(struct vbuf_render* render,
+ const ushort* indices,
+ uint count)
{
- /* XXX */
+ struct r300_swtcl_render* r300render = r300_swtcl_render(render);
+ struct r300_context* r300 = r300render->r300;
+ struct pipe_screen* screen = r300->context.screen;
+ struct pipe_buffer* index_buffer;
+ void* index_map;
+
+ CS_LOCALS(r300);
+
+ /* Make sure that all possible state is emitted. */
+ r300_update_derived_state(r300);
+ r300_emit_dirty_state(r300);
+
+ /* Send our indices into an index buffer. */
+ index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX,
+ count * 4);
+ if (!index_buffer) {
+ return;
+ }
+
+ index_map = pipe_buffer_map(screen, index_buffer,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+ memcpy(index_map, indices, count * 4);
+ pipe_buffer_unmap(screen, index_buffer);
+
+ /* Take care of vertex formats and routes */
+ BEGIN_CS(3);
+ OUT_CS_REG_SEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2);
+ OUT_CS(r300->vertex_info.hwfmt[0]);
+ OUT_CS(r300->vertex_info.hwfmt[1]);
+ END_CS;
+
+ /* Draw stuff! */
+ BEGIN_CS(10);
+ OUT_CS(CP_PACKET3(R300_PACKET3_3D_DRAW_INDX, 0));
+ OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
+ r300render->hwprim | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
+
+ OUT_CS(CP_PACKET3(R300_PACKET3_INDX_BUFFER, 2));
+ OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2));
+ OUT_CS_RELOC(index_buffer, 0, RADEON_GEM_DOMAIN_GTT, 0, 0);
+ END_CS;
}
-static void r300_swtcl_destroy(struct draw_stage* draw)
+static void r300_swtcl_render_destroy(struct vbuf_render* render)
{
- FREE(draw);
+ FREE(render);
}
-struct draw_stage* r300_draw_swtcl_stage(struct r300_context* r300)
+static struct vbuf_render* r300_swtcl_render_create(struct r300_context* r300)
{
- struct swtcl_stage* swtcl = CALLOC_STRUCT(swtcl_stage);
+ struct r300_swtcl_render* r300render = CALLOC_STRUCT(r300_swtcl_render);
+ struct pipe_screen* screen = r300->context.screen;
+
+ r300render->r300 = r300;
+
+ /* XXX find real numbers plz */
+ r300render->base.max_vertex_buffer_bytes = 128 * 1024;
+ r300render->base.max_indices = 16 * 1024;
+
+ r300render->base.get_vertex_info = r300_swtcl_render_get_vertex_info;
+ r300render->base.allocate_vertices = r300_swtcl_render_allocate_vertices;
+ r300render->base.map_vertices = r300_swtcl_render_map_vertices;
+ r300render->base.unmap_vertices = r300_swtcl_render_unmap_vertices;
+ r300render->base.set_primitive = r300_swtcl_render_set_primitive;
+ r300render->base.draw = r300_swtcl_render_draw;
+ /* r300render->base.draw_arrays = r300_swtcl_render_draw_arrays; */
+ r300render->base.release_vertices = r300_swtcl_render_release_vertices;
+ r300render->base.destroy = r300_swtcl_render_destroy;
- swtcl->r300 = r300;
- swtcl->draw.point = r300_emit_point;
- swtcl->draw.line = r300_emit_line;
- swtcl->draw.tri = r300_emit_tri;
- swtcl->draw.flush = r300_swtcl_flush;
- swtcl->draw.reset_stipple_counter = r300_reset_stipple;
- swtcl->draw.destroy = r300_swtcl_destroy;
+ /* XXX bonghits ahead
+ r300render->vbo_alloc_size = 128 * 4096;
+ r300render->vbo_size = r300render->vbo_alloc_size;
+ r300render->vbo_offset = 0;
+ r300render->vbo = pipe_buffer_create(screen,
+ 64,
+ PIPE_BUFFER_USAGE_VERTEX,
+ r300render->vbo_size);
+ r300render->vbo_map = pipe_buffer_map(screen,
+ r300render->vbo,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+ pipe_buffer_unmap(screen, r300render->vbo); */
- return &swtcl->draw;
+ return &r300render->base;
}
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