diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_render.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index 79a33b53cb1..4916152bd67 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -31,11 +31,203 @@ #include "r300_context.h" #include "r300_emit.h" #include "r300_reg.h" +#include "r300_render.h" #include "r300_state_derived.h" /* r300_render: Vertex and index buffer primitive emission. */ #define R300_MAX_VBO_SIZE (1024 * 1024) +static 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; + } +} + +/* 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); + CS_LOCALS(r300); + uint32_t prim = r300_translate_primitive(mode); + struct pipe_vertex_buffer* aos = r300->vertex_buffers; + unsigned aos_count = r300->vertex_buffer_count; + short* indices; + unsigned packet_size; + unsigned i; + bool invalid = FALSE; + +validate: + for (i = 0; i < aos_count; i++) { + if (!r300->winsys->add_buffer(r300->winsys, aos[i].buffer, + RADEON_GEM_DOMAIN_GTT, 0)) { + pipe->flush(pipe, 0, NULL); + goto validate; + } + } + if (!r300->winsys->validate(r300->winsys)) { + pipe->flush(pipe, 0, NULL); + if (invalid) { + /* Well, hell. */ + debug_printf("r300: Stuck in validation loop, gonna quit now."); + exit(1); + } + invalid = TRUE; + goto validate; + } + + r300_emit_dirty_state(r300); + + packet_size = (aos_count >> 1) * 3 + (aos_count & 1) * 2; + + BEGIN_CS(3 + packet_size + (aos_count * 2)); + OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size); + OUT_CS(aos_count); + for (i = 0; i < aos_count - 1; i += 2) { + OUT_CS(aos[i].stride | + (aos[i].stride << 8) | + (aos[i + 1].stride << 16) | + (aos[i + 1].stride << 24)); + OUT_CS(aos[i].buffer_offset + start * 4 * aos[i].stride); + OUT_CS(aos[i + 1].buffer_offset + start * 4 * aos[i + 1].stride); + } + if (aos_count & 1) { + OUT_CS(aos[i].stride | (aos[i].stride << 8)); + OUT_CS(aos[i].buffer_offset + start * 4 * aos[i].stride); + } + for (i = 0; i < aos_count; i++) { + OUT_CS_RELOC(aos[i].buffer, 0, RADEON_GEM_DOMAIN_GTT, 0, 0); + } + END_CS; + + if (indexBuffer) { + indices = (short*)pipe_buffer_map(pipe->screen, indexBuffer, + PIPE_BUFFER_USAGE_CPU_READ); + + /* Set the starting point. */ + indices += start; + + BEGIN_CS(2 + (count+1)/2); + OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count + 1)/2); + OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | prim); + for (i = 0; i < count - 1; i += 2) { + OUT_CS(indices[i + 1] << 16 | indices[i]); + } + if (count % 2) { + OUT_CS(indices[count - 1]); + } + END_CS; + } else { + BEGIN_CS(2); + OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0); + OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (count << 16) | + prim); + END_CS; + } + + 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) +{ + return pipe->draw_elements(pipe, NULL, 0, mode, start, count); +} + +/**************************************************************************** + * 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. * + ***************************************************************************/ + +/* Draw-based drawing for SW TCL chipsets. */ +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; + + for (i = 0; i < r300->vertex_buffer_count; i++) { + void* buf = pipe_buffer_map(pipe->screen, + r300->vertex_buffers[i].buffer, + PIPE_BUFFER_USAGE_CPU_READ); + draw_set_mapped_vertex_buffer(r300->draw, i, buf); + } + + if (indexBuffer) { + 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); + } else { + 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_buffers[i].buffer); + draw_set_mapped_vertex_buffer(r300->draw, i, NULL); + } + + if (indexBuffer) { + 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; |