diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_render.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_render.c | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c new file mode 100644 index 0000000000..bb8f91491f --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_render.c @@ -0,0 +1,505 @@ +/************************************************************************** + +Copyright (C) 2004 Nicolai Haehnle. + +All Rights Reserved. + +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 +ATI, VA LINUX SYSTEMS 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. + +**************************************************************************/ + +/** + * \file + * + * \brief R300 Render (Vertex Buffer Implementation) + * + * The immediate implementation has been removed from CVS in favor of the vertex + * buffer implementation. + * + * The render functions are called by the pipeline manager to render a batch of + * primitives. They return TRUE to pass on to the next stage (i.e. software + * rasterization) or FALSE to indicate that the pipeline has finished after + * rendering something. + * + * When falling back to software TCL still attempt to use hardware + * rasterization. + * + * I am not sure that the cache related registers are setup correctly, but + * obviously this does work... Further investigation is needed. + * + * \author Nicolai Haehnle <prefect_@gmx.net> + * + * \todo Add immediate implementation back? Perhaps this is useful if there are + * no bugs... + */ + +#include "r300_render.h" + +#include "main/glheader.h" +#include "main/imports.h" +#include "main/enums.h" +#include "main/macros.h" +#include "main/context.h" +#include "main/dd.h" +#include "main/simple_list.h" +#include "main/api_arrayelt.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "vbo/vbo.h" +#include "vbo/vbo_split.h" +#include "r300_context.h" +#include "r300_state.h" +#include "r300_reg.h" +#include "r300_emit.h" +#include "r300_swtcl.h" + +/** + * \brief Convert a OpenGL primitive type into a R300 primitive type. + */ +int r300PrimitiveType(r300ContextPtr rmesa, int prim) +{ + switch (prim & PRIM_MODE_MASK) { + case GL_POINTS: + return R300_VAP_VF_CNTL__PRIM_POINTS; + break; + case GL_LINES: + return R300_VAP_VF_CNTL__PRIM_LINES; + break; + case GL_LINE_STRIP: + return R300_VAP_VF_CNTL__PRIM_LINE_STRIP; + break; + case GL_LINE_LOOP: + return R300_VAP_VF_CNTL__PRIM_LINE_LOOP; + break; + case GL_TRIANGLES: + return R300_VAP_VF_CNTL__PRIM_TRIANGLES; + break; + case GL_TRIANGLE_STRIP: + return R300_VAP_VF_CNTL__PRIM_TRIANGLE_STRIP; + break; + case GL_TRIANGLE_FAN: + return R300_VAP_VF_CNTL__PRIM_TRIANGLE_FAN; + break; + case GL_QUADS: + return R300_VAP_VF_CNTL__PRIM_QUADS; + break; + case GL_QUAD_STRIP: + return R300_VAP_VF_CNTL__PRIM_QUAD_STRIP; + break; + case GL_POLYGON: + return R300_VAP_VF_CNTL__PRIM_POLYGON; + break; + default: + assert(0); + return -1; + break; + } +} + +int r300NumVerts(r300ContextPtr rmesa, int num_verts, int prim) +{ + int verts_off = 0; + + switch (prim & PRIM_MODE_MASK) { + case GL_POINTS: + verts_off = 0; + break; + case GL_LINES: + verts_off = num_verts % 2; + break; + case GL_LINE_STRIP: + if (num_verts < 2) + verts_off = num_verts; + break; + case GL_LINE_LOOP: + if (num_verts < 2) + verts_off = num_verts; + break; + case GL_TRIANGLES: + verts_off = num_verts % 3; + break; + case GL_TRIANGLE_STRIP: + if (num_verts < 3) + verts_off = num_verts; + break; + case GL_TRIANGLE_FAN: + if (num_verts < 3) + verts_off = num_verts; + break; + case GL_QUADS: + verts_off = num_verts % 4; + break; + case GL_QUAD_STRIP: + if (num_verts < 4) + verts_off = num_verts; + else + verts_off = num_verts % 2; + break; + case GL_POLYGON: + if (num_verts < 3) + verts_off = num_verts; + break; + default: + assert(0); + return -1; + break; + } + + return num_verts - verts_off; +} + +static void r300FireEB(r300ContextPtr rmesa, int vertex_count, int type, int offset) +{ + BATCH_LOCALS(&rmesa->radeon); + int size; + + /* offset is in indices */ + BEGIN_BATCH(10); + OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0); + if (rmesa->ind_buf.is_32bit) { + /* convert to bytes */ + offset *= 4; + size = vertex_count; + OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | + (vertex_count << 16) | type | + R300_VAP_VF_CNTL__INDEX_SIZE_32bit); + } else { + /* convert to bytes */ + offset *= 2; + size = (vertex_count + 1) >> 1; + OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | + (vertex_count << 16) | type); + } + + if (!rmesa->radeon.radeonScreen->kernel_mm) { + OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2); + OUT_BATCH(R300_INDX_BUFFER_ONE_REG_WR | (0 << R300_INDX_BUFFER_SKIP_SHIFT) | + (R300_VAP_PORT_IDX0 >> 2)); + OUT_BATCH_RELOC(0, rmesa->ind_buf.bo, rmesa->ind_buf.bo_offset + offset, RADEON_GEM_DOMAIN_GTT, 0, 0); + OUT_BATCH(size); + } else { + OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2); + OUT_BATCH(R300_INDX_BUFFER_ONE_REG_WR | (0 << R300_INDX_BUFFER_SKIP_SHIFT) | + (R300_VAP_PORT_IDX0 >> 2)); + OUT_BATCH(rmesa->ind_buf.bo_offset + offset); + OUT_BATCH(size); + radeon_cs_write_reloc(rmesa->radeon.cmdbuf.cs, + rmesa->ind_buf.bo, RADEON_GEM_DOMAIN_GTT, 0, 0); + } + END_BATCH(); +} + +static void r300EmitAOS(r300ContextPtr rmesa, GLuint nr, GLuint offset) +{ + BATCH_LOCALS(&rmesa->radeon); + uint32_t voffset; + int sz = 1 + (nr >> 1) * 3 + (nr & 1) * 2; + int i; + + if (RADEON_DEBUG & RADEON_VERTS) + fprintf(stderr, "%s: nr=%d, ofs=0x%08x\n", __FUNCTION__, nr, + offset); + + if (!rmesa->radeon.radeonScreen->kernel_mm) { + BEGIN_BATCH(sz+2+(nr * 2)); + OUT_BATCH_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, sz - 1); + OUT_BATCH(nr); + + for (i = 0; i + 1 < nr; i += 2) { + OUT_BATCH((rmesa->radeon.tcl.aos[i].components << 0) | + (rmesa->radeon.tcl.aos[i].stride << 8) | + (rmesa->radeon.tcl.aos[i + 1].components << 16) | + (rmesa->radeon.tcl.aos[i + 1].stride << 24)); + + voffset = rmesa->radeon.tcl.aos[i + 0].offset + + offset * 4 * rmesa->radeon.tcl.aos[i + 0].stride; + OUT_BATCH_RELOC(voffset, + rmesa->radeon.tcl.aos[i].bo, + voffset, + RADEON_GEM_DOMAIN_GTT, + 0, 0); + voffset = rmesa->radeon.tcl.aos[i + 1].offset + + offset * 4 * rmesa->radeon.tcl.aos[i + 1].stride; + OUT_BATCH_RELOC(voffset, + rmesa->radeon.tcl.aos[i+1].bo, + voffset, + RADEON_GEM_DOMAIN_GTT, + 0, 0); + } + + if (nr & 1) { + OUT_BATCH((rmesa->radeon.tcl.aos[nr - 1].components << 0) | + (rmesa->radeon.tcl.aos[nr - 1].stride << 8)); + voffset = rmesa->radeon.tcl.aos[nr - 1].offset + + offset * 4 * rmesa->radeon.tcl.aos[nr - 1].stride; + OUT_BATCH_RELOC(voffset, + rmesa->radeon.tcl.aos[nr - 1].bo, + voffset, + RADEON_GEM_DOMAIN_GTT, + 0, 0); + } + END_BATCH(); + } else { + + BEGIN_BATCH(sz+2+(nr * 2)); + OUT_BATCH_PACKET3(R300_PACKET3_3D_LOAD_VBPNTR, sz - 1); + OUT_BATCH(nr); + + for (i = 0; i + 1 < nr; i += 2) { + OUT_BATCH((rmesa->radeon.tcl.aos[i].components << 0) | + (rmesa->radeon.tcl.aos[i].stride << 8) | + (rmesa->radeon.tcl.aos[i + 1].components << 16) | + (rmesa->radeon.tcl.aos[i + 1].stride << 24)); + + voffset = rmesa->radeon.tcl.aos[i + 0].offset + + offset * 4 * rmesa->radeon.tcl.aos[i + 0].stride; + OUT_BATCH(voffset); + voffset = rmesa->radeon.tcl.aos[i + 1].offset + + offset * 4 * rmesa->radeon.tcl.aos[i + 1].stride; + OUT_BATCH(voffset); + } + + if (nr & 1) { + OUT_BATCH((rmesa->radeon.tcl.aos[nr - 1].components << 0) | + (rmesa->radeon.tcl.aos[nr - 1].stride << 8)); + voffset = rmesa->radeon.tcl.aos[nr - 1].offset + + offset * 4 * rmesa->radeon.tcl.aos[nr - 1].stride; + OUT_BATCH(voffset); + } + for (i = 0; i + 1 < nr; i += 2) { + voffset = rmesa->radeon.tcl.aos[i + 0].offset + + offset * 4 * rmesa->radeon.tcl.aos[i + 0].stride; + radeon_cs_write_reloc(rmesa->radeon.cmdbuf.cs, + rmesa->radeon.tcl.aos[i+0].bo, + RADEON_GEM_DOMAIN_GTT, + 0, 0); + voffset = rmesa->radeon.tcl.aos[i + 1].offset + + offset * 4 * rmesa->radeon.tcl.aos[i + 1].stride; + radeon_cs_write_reloc(rmesa->radeon.cmdbuf.cs, + rmesa->radeon.tcl.aos[i+1].bo, + RADEON_GEM_DOMAIN_GTT, + 0, 0); + } + if (nr & 1) { + voffset = rmesa->radeon.tcl.aos[nr - 1].offset + + offset * 4 * rmesa->radeon.tcl.aos[nr - 1].stride; + radeon_cs_write_reloc(rmesa->radeon.cmdbuf.cs, + rmesa->radeon.tcl.aos[nr-1].bo, + RADEON_GEM_DOMAIN_GTT, + 0, 0); + } + END_BATCH(); + } + +} + +static void r300FireAOS(r300ContextPtr rmesa, int vertex_count, int type) +{ + BATCH_LOCALS(&rmesa->radeon); + + r300_emit_scissor(rmesa->radeon.glCtx); + BEGIN_BATCH(3); + OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_VBUF_2, 0); + OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_LIST | (vertex_count << 16) | type); + END_BATCH(); +} + +void r300RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + BATCH_LOCALS(&rmesa->radeon); + int type, num_verts; + + type = r300PrimitiveType(rmesa, prim); + num_verts = r300NumVerts(rmesa, end - start, prim); + + if (type < 0 || num_verts <= 0) + return; + + if (rmesa->ind_buf.bo) { + GLuint first, incr, offset = 0; + + if (!split_prim_inplace(prim & PRIM_MODE_MASK, &first, &incr) && + num_verts > 65500) { + WARN_ONCE("Fixme: can't handle spliting prim %d\n", prim); + return; + } + + + r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, 0); + if (rmesa->radeon.radeonScreen->kernel_mm) { + BEGIN_BATCH_NO_AUTOSTATE(2); + OUT_BATCH_REGSEQ(R300_VAP_VF_MAX_VTX_INDX, 1); + OUT_BATCH(rmesa->radeon.tcl.aos[0].count); + END_BATCH(); + } + + r300_emit_scissor(rmesa->radeon.glCtx); + while (num_verts > 0) { + int nr; + int align; + + nr = MIN2(num_verts, 65535); + nr -= (nr - first) % incr; + + /* get alignment for IB correct */ + if (nr != num_verts) { + do { + align = nr * (rmesa->ind_buf.is_32bit ? 4 : 2); + if (align % 4) + nr -= incr; + } while(align % 4); + if (nr <= 0) { + WARN_ONCE("did the impossible happen? we never aligned nr to dword\n"); + return; + } + + } + r300FireEB(rmesa, nr, type, offset); + + num_verts -= nr; + offset += nr; + } + + } else { + GLuint first, incr, offset = 0; + + if (!split_prim_inplace(prim & PRIM_MODE_MASK, &first, &incr) && + num_verts > 65535) { + WARN_ONCE("Fixme: can't handle spliting prim %d\n", prim); + return; + } + + if (rmesa->radeon.radeonScreen->kernel_mm) { + BEGIN_BATCH_NO_AUTOSTATE(2); + OUT_BATCH_REGSEQ(R300_VAP_VF_MAX_VTX_INDX, 1); + OUT_BATCH(rmesa->radeon.tcl.aos[0].count); + END_BATCH(); + } + + r300_emit_scissor(rmesa->radeon.glCtx); + while (num_verts > 0) { + int nr; + nr = MIN2(num_verts, 65535); + nr -= (nr - first) % incr; + r300EmitAOS(rmesa, rmesa->radeon.tcl.aos_count, start + offset); + r300FireAOS(rmesa, nr, type); + num_verts -= nr; + offset += nr; + } + } + COMMIT_BATCH(); +} + +static const char *getFallbackString(r300ContextPtr rmesa, uint32_t bit) +{ + static char common_fallback_str[32]; + switch (bit) { + case R300_FALLBACK_VERTEX_PROGRAM : + return "vertex program"; + case R300_FALLBACK_LINE_SMOOTH: + return "smooth lines"; + case R300_FALLBACK_POINT_SMOOTH: + return "smooth points"; + case R300_FALLBACK_POLYGON_SMOOTH: + return "smooth polygons"; + case R300_FALLBACK_LINE_STIPPLE: + return "line stipple"; + case R300_FALLBACK_POLYGON_STIPPLE: + return "polygon stipple"; + case R300_FALLBACK_STENCIL_TWOSIDE: + return "two-sided stencil"; + case R300_FALLBACK_RENDER_MODE: + return "render mode != GL_RENDER"; + case R300_FALLBACK_FRAGMENT_PROGRAM: + return "fragment program"; + case R300_FALLBACK_RADEON_COMMON: + snprintf(common_fallback_str, 32, "radeon common 0x%08x", rmesa->radeon.Fallback); + return common_fallback_str; + case R300_FALLBACK_AOS_LIMIT: + return "aos limit"; + case R300_FALLBACK_INVALID_BUFFERS: + return "invalid buffers"; + default: + return "unknown"; + } +} + +void r300SwitchFallback(GLcontext *ctx, uint32_t bit, GLboolean mode) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + r300ContextPtr rmesa = R300_CONTEXT(ctx); + uint32_t old_fallback = rmesa->fallback; + static uint32_t fallback_warn = 0; + + if (mode) { + if ((fallback_warn & bit) == 0) { + if (RADEON_DEBUG & RADEON_FALLBACKS) + fprintf(stderr, "WARNING! Falling back to software for %s\n", getFallbackString(rmesa, bit)); + fallback_warn |= bit; + } + rmesa->fallback |= bit; + + /* update only if we change from no tcl fallbacks to some tcl fallbacks */ + if (rmesa->options.hw_tcl_enabled) { + if (((old_fallback & R300_TCL_FALLBACK_MASK) == 0) && + ((bit & R300_TCL_FALLBACK_MASK) > 0)) { + R300_STATECHANGE(rmesa, vap_cntl_status); + rmesa->hw.vap_cntl_status.cmd[1] |= R300_VAP_TCL_BYPASS; + } + } + + /* update only if we change from no raster fallbacks to some raster fallbacks */ + if (((old_fallback & R300_RASTER_FALLBACK_MASK) == 0) && + ((bit & R300_RASTER_FALLBACK_MASK) > 0)) { + + radeon_firevertices(&rmesa->radeon); + rmesa->radeon.swtcl.RenderIndex = ~0; + _swsetup_Wakeup( ctx ); + } + } else { + rmesa->fallback &= ~bit; + + /* update only if we have disabled all tcl fallbacks */ + if (rmesa->options.hw_tcl_enabled) { + if ((old_fallback & R300_TCL_FALLBACK_MASK) == bit) { + R300_STATECHANGE(rmesa, vap_cntl_status); + rmesa->hw.vap_cntl_status.cmd[1] &= ~R300_VAP_TCL_BYPASS; + } + } + + /* update only if we have disabled all raster fallbacks */ + if ((old_fallback & R300_RASTER_FALLBACK_MASK) == bit) { + _swrast_flush( ctx ); + + tnl->Driver.Render.Start = r300RenderStart; + tnl->Driver.Render.Finish = r300RenderFinish; + tnl->Driver.Render.PrimitiveNotify = r300RenderPrimitive; + tnl->Driver.Render.ResetLineStipple = r300ResetLineStipple; + tnl->Driver.Render.BuildVertices = _tnl_build_vertices; + tnl->Driver.Render.CopyPV = _tnl_copy_pv; + tnl->Driver.Render.Interp = _tnl_interp; + + _tnl_invalidate_vertex_state( ctx, ~0 ); + _tnl_invalidate_vertices( ctx, ~0 ); + } + } + +} |