diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_swtcl_emit.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_swtcl_emit.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_swtcl_emit.c b/src/gallium/drivers/r300/r300_swtcl_emit.c new file mode 100644 index 0000000000..76ef48962b --- /dev/null +++ b/src/gallium/drivers/r300/r300_swtcl_emit.c @@ -0,0 +1,164 @@ +/* + * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * 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" +#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. */ + +struct swtcl_stage { + /* Parent class */ + struct draw_stage draw; + + struct r300_context* r300; +}; + +static INLINE struct swtcl_stage* swtcl_stage(struct draw_stage* draw) { + return (struct swtcl_stage*)draw; +} + +static INLINE void r300_emit_vertex(struct r300_context* r300, + const struct vertex_header* vertex) +{ + 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; + } + } +} + +static INLINE void r300_emit_prim(struct draw_stage* draw, + struct prim_header* prim, + unsigned hwprim, + unsigned count) +{ + struct r300_context* r300 = swtcl_stage(draw)->r300; + CS_LOCALS(r300); + int i; + + r300_emit_dirty_state(r300); + + 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; + + 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)); + + for (i = 0; i < count; i++) { + r300_emit_vertex(r300, prim->v[i]); + } + + 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) +{ + r300_emit_prim(draw, prim, R300_PRIM_TYPE_POINT, 1); +} + +static void r300_emit_line(struct draw_stage* draw, struct prim_header* prim) +{ + r300_emit_prim(draw, prim, R300_PRIM_TYPE_LINE, 2); +} + +static void r300_emit_tri(struct draw_stage* draw, struct prim_header* prim) +{ + r300_emit_prim(draw, prim, R300_PRIM_TYPE_TRI_LIST, 3); +} + +static void r300_swtcl_flush(struct draw_stage* draw, unsigned flags) +{ +} + +static void r300_reset_stipple(struct draw_stage* draw) +{ + /* XXX */ +} + +static void r300_swtcl_destroy(struct draw_stage* draw) +{ + FREE(draw); +} + +struct draw_stage* r300_draw_swtcl_stage(struct r300_context* r300) +{ + struct swtcl_stage* swtcl = CALLOC_STRUCT(swtcl_stage); + + 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; + + return &swtcl->draw; +} |