diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_draw.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_draw.c | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_draw.c b/src/mesa/drivers/dri/r300/r300_draw.c new file mode 100644 index 0000000000..e9968f9ffe --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_draw.c @@ -0,0 +1,718 @@ +/************************************************************************** + * + * Copyright 2009 Maciej Cencora + * + * 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 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 ITS 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 <stdlib.h> + +#include "main/glheader.h" +#include "main/context.h" +#include "main/state.h" +#include "main/api_validate.h" +#include "main/enums.h" +#include "main/simple_list.h" + +#include "r300_reg.h" +#include "r300_context.h" +#include "r300_emit.h" +#include "r300_render.h" +#include "r300_state.h" +#include "r300_tex.h" +#include "r300_cmdbuf.h" + +#include "radeon_buffer_objects.h" +#include "radeon_common_context.h" + +#include "tnl/tnl.h" +#include "tnl/t_vp_build.h" +#include "vbo/vbo_context.h" +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" + + +static int getTypeSize(GLenum type) +{ + switch (type) { + case GL_DOUBLE: + return sizeof(GLdouble); + case GL_FLOAT: + return sizeof(GLfloat); + case GL_INT: + return sizeof(GLint); + case GL_UNSIGNED_INT: + return sizeof(GLuint); + case GL_SHORT: + return sizeof(GLshort); + case GL_UNSIGNED_SHORT: + return sizeof(GLushort); + case GL_BYTE: + return sizeof(GLbyte); + case GL_UNSIGNED_BYTE: + return sizeof(GLubyte); + default: + assert(0); + return 0; + } +} + +static void r300FixupIndexBuffer(GLcontext *ctx, const struct _mesa_index_buffer *mesa_ind_buf) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + GLvoid *src_ptr; + GLuint *out; + int i; + GLboolean mapped_named_bo = GL_FALSE; + + if (mesa_ind_buf->obj->Name && !mesa_ind_buf->obj->Pointer) { + ctx->Driver.MapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER, GL_READ_ONLY_ARB, mesa_ind_buf->obj); + mapped_named_bo = GL_TRUE; + assert(mesa_ind_buf->obj->Pointer != NULL); + } + src_ptr = ADD_POINTERS(mesa_ind_buf->obj->Pointer, mesa_ind_buf->ptr); + + radeon_print(RADEON_FALLBACKS, RADEON_IMPORTANT, + "%s: Fixing index buffer format. type %d\n", + __func__, mesa_ind_buf->type); + + if (mesa_ind_buf->type == GL_UNSIGNED_BYTE) { + GLuint size = sizeof(GLushort) * ((mesa_ind_buf->count + 1) & ~1); + GLubyte *in = (GLubyte *)src_ptr; + + radeonAllocDmaRegion(&r300->radeon, &r300->ind_buf.bo, &r300->ind_buf.bo_offset, size, 4); + + assert(r300->ind_buf.bo->ptr != NULL); + out = (GLuint *)ADD_POINTERS(r300->ind_buf.bo->ptr, r300->ind_buf.bo_offset); + + for (i = 0; i + 1 < mesa_ind_buf->count; i += 2) { + *out++ = in[i] | in[i + 1] << 16; + } + + if (i < mesa_ind_buf->count) { + *out++ = in[i]; + } + +#if MESA_BIG_ENDIAN + } else { /* if (mesa_ind_buf->type == GL_UNSIGNED_SHORT) */ + GLushort *in = (GLushort *)src_ptr; + GLuint size = sizeof(GLushort) * ((mesa_ind_buf->count + 1) & ~1); + + radeonAllocDmaRegion(&r300->radeon, &r300->ind_buf.bo, + &r300->ind_buf.bo_offset, size, 4); + + assert(r300->ind_buf.bo->ptr != NULL); + out = (GLuint *)ADD_POINTERS(r300->ind_buf.bo->ptr, r300->ind_buf.bo_offset); + + for (i = 0; i + 1 < mesa_ind_buf->count; i += 2) { + *out++ = in[i] | in[i + 1] << 16; + } + + if (i < mesa_ind_buf->count) { + *out++ = in[i]; + } +#endif + } + + r300->ind_buf.is_32bit = GL_FALSE; + r300->ind_buf.count = mesa_ind_buf->count; + + if (mapped_named_bo) { + ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER, mesa_ind_buf->obj); + } +} + + +static void r300SetupIndexBuffer(GLcontext *ctx, const struct _mesa_index_buffer *mesa_ind_buf) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + if (!mesa_ind_buf) { + r300->ind_buf.bo = NULL; + return; + } + radeon_print(RADEON_RENDER, RADEON_TRACE, "%s\n", __func__); + +#if MESA_BIG_ENDIAN + if (mesa_ind_buf->type == GL_UNSIGNED_INT) { +#else + if (mesa_ind_buf->type != GL_UNSIGNED_BYTE) { +#endif + const GLvoid *src_ptr; + GLvoid *dst_ptr; + GLboolean mapped_named_bo = GL_FALSE; + + if (mesa_ind_buf->obj->Name && !mesa_ind_buf->obj->Pointer) { + ctx->Driver.MapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER, GL_READ_ONLY_ARB, mesa_ind_buf->obj); + assert(mesa_ind_buf->obj->Pointer != NULL); + mapped_named_bo = GL_TRUE; + } + + src_ptr = ADD_POINTERS(mesa_ind_buf->obj->Pointer, mesa_ind_buf->ptr); + + const GLuint size = mesa_ind_buf->count * getTypeSize(mesa_ind_buf->type); + + radeonAllocDmaRegion(&r300->radeon, &r300->ind_buf.bo, &r300->ind_buf.bo_offset, size, 4); + + assert(r300->ind_buf.bo->ptr != NULL); + dst_ptr = ADD_POINTERS(r300->ind_buf.bo->ptr, r300->ind_buf.bo_offset); + _mesa_memcpy(dst_ptr, src_ptr, size); + + r300->ind_buf.is_32bit = (mesa_ind_buf->type == GL_UNSIGNED_INT); + r300->ind_buf.count = mesa_ind_buf->count; + + if (mapped_named_bo) { + ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER, mesa_ind_buf->obj); + } + } else { + r300FixupIndexBuffer(ctx, mesa_ind_buf); + } +} + +#define CONVERT( TYPE, MACRO ) do { \ + GLuint i, j, sz; \ + sz = input->Size; \ + if (input->Normalized) { \ + for (i = 0; i < count; i++) { \ + const TYPE *in = (TYPE *)src_ptr; \ + for (j = 0; j < sz; j++) { \ + *dst_ptr++ = MACRO(*in); \ + in++; \ + } \ + src_ptr += stride; \ + } \ + } else { \ + for (i = 0; i < count; i++) { \ + const TYPE *in = (TYPE *)src_ptr; \ + for (j = 0; j < sz; j++) { \ + *dst_ptr++ = (GLfloat)(*in); \ + in++; \ + } \ + src_ptr += stride; \ + } \ + } \ +} while (0) + +/** + * Convert attribute data type to float + * If the attribute uses named buffer object replace the bo with newly allocated bo + */ +static void r300ConvertAttrib(GLcontext *ctx, int count, const struct gl_client_array *input, struct vertex_attribute *attr) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + const GLvoid *src_ptr; + GLboolean mapped_named_bo = GL_FALSE; + GLfloat *dst_ptr; + GLuint stride; + + stride = (input->StrideB == 0) ? getTypeSize(input->Type) * input->Size : input->StrideB; + + /* Convert value for first element only */ + if (input->StrideB == 0) + count = 1; + + if (input->BufferObj->Name) { + if (!input->BufferObj->Pointer) { + ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER, GL_READ_ONLY_ARB, input->BufferObj); + mapped_named_bo = GL_TRUE; + } + + src_ptr = ADD_POINTERS(input->BufferObj->Pointer, input->Ptr); + } else { + src_ptr = input->Ptr; + } + + radeonAllocDmaRegion(&r300->radeon, &attr->bo, &attr->bo_offset, sizeof(GLfloat) * input->Size * count, 32); + dst_ptr = (GLfloat *)ADD_POINTERS(attr->bo->ptr, attr->bo_offset); + + radeon_print(RADEON_FALLBACKS, RADEON_IMPORTANT, + "%s: Converting vertex attributes, attribute data format %x," + "stride %d, components %d\n" + , __FUNCTION__, input->Type + , stride, input->Size); + + assert(src_ptr != NULL); + + switch (input->Type) { + case GL_DOUBLE: + CONVERT(GLdouble, (GLfloat)); + break; + case GL_UNSIGNED_INT: + CONVERT(GLuint, UINT_TO_FLOAT); + break; + case GL_INT: + CONVERT(GLint, INT_TO_FLOAT); + break; + case GL_UNSIGNED_SHORT: + CONVERT(GLushort, USHORT_TO_FLOAT); + break; + case GL_SHORT: + CONVERT(GLshort, SHORT_TO_FLOAT); + break; + case GL_UNSIGNED_BYTE: + assert(input->Format != GL_BGRA); + CONVERT(GLubyte, UBYTE_TO_FLOAT); + break; + case GL_BYTE: + CONVERT(GLbyte, BYTE_TO_FLOAT); + break; + default: + assert(0); + break; + } + + if (mapped_named_bo) { + ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER, input->BufferObj); + } +} + +static void r300AlignDataToDword(GLcontext *ctx, const struct gl_client_array *input, int count, struct vertex_attribute *attr) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + const int dst_stride = (input->StrideB + 3) & ~3; + const int size = getTypeSize(input->Type) * input->Size * count; + GLboolean mapped_named_bo = GL_FALSE; + + radeonAllocDmaRegion(&r300->radeon, &attr->bo, &attr->bo_offset, size, 32); + + if (!input->BufferObj->Pointer) { + ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER, GL_READ_ONLY_ARB, input->BufferObj); + mapped_named_bo = GL_TRUE; + } + + radeon_print(RADEON_FALLBACKS, RADEON_IMPORTANT, "%s. Vertex alignment doesn't match hw requirements.\n", __func__); + + { + GLvoid *src_ptr = ADD_POINTERS(input->BufferObj->Pointer, input->Ptr); + GLvoid *dst_ptr = ADD_POINTERS(attr->bo->ptr, attr->bo_offset); + int i; + + for (i = 0; i < count; ++i) { + _mesa_memcpy(dst_ptr, src_ptr, input->StrideB); + src_ptr += input->StrideB; + dst_ptr += dst_stride; + } + } + + if (mapped_named_bo) { + ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER, input->BufferObj); + } + + attr->stride = dst_stride; +} + +static void r300TranslateAttrib(GLcontext *ctx, GLuint attr, int count, const struct gl_client_array *input) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + struct vertex_attribute r300_attr; + GLenum type; + GLuint stride; + + radeon_print(RADEON_RENDER, RADEON_TRACE, "%s\n", __func__); + stride = (input->StrideB == 0) ? getTypeSize(input->Type) * input->Size : input->StrideB; + + if (input->Type == GL_DOUBLE || input->Type == GL_UNSIGNED_INT || input->Type == GL_INT || +#if MESA_BIG_ENDIAN + getTypeSize(input->Type) != 4 || +#endif + stride < 4) { + + type = GL_FLOAT; + + if (input->StrideB == 0) { + r300_attr.stride = 0; + } else { + r300_attr.stride = sizeof(GLfloat) * input->Size; + } + r300_attr.dwords = input->Size; + r300_attr.is_named_bo = GL_FALSE; + } else { + type = input->Type; + r300_attr.dwords = (getTypeSize(type) * input->Size + 3)/ 4; + if (!input->BufferObj->Name) { + + if (input->StrideB == 0) { + r300_attr.stride = 0; + } else { + r300_attr.stride = (getTypeSize(type) * input->Size + 3) & ~3; + } + + r300_attr.is_named_bo = GL_FALSE; + } + } + + r300_attr.size = input->Size; + r300_attr.element = attr; + r300_attr.dst_loc = vbuf->num_attribs; + + switch (type) { + case GL_FLOAT: + switch (input->Size) { + case 1: r300_attr.data_type = R300_DATA_TYPE_FLOAT_1; break; + case 2: r300_attr.data_type = R300_DATA_TYPE_FLOAT_2; break; + case 3: r300_attr.data_type = R300_DATA_TYPE_FLOAT_3; break; + case 4: r300_attr.data_type = R300_DATA_TYPE_FLOAT_4; break; + } + r300_attr._signed = 0; + r300_attr.normalize = 0; + break; + case GL_SHORT: + r300_attr._signed = 1; + r300_attr.normalize = input->Normalized; + switch (input->Size) { + case 1: + case 2: + r300_attr.data_type = R300_DATA_TYPE_SHORT_2; + break; + case 3: + case 4: + r300_attr.data_type = R300_DATA_TYPE_SHORT_4; + break; + } + break; + case GL_BYTE: + r300_attr._signed = 1; + r300_attr.normalize = input->Normalized; + r300_attr.data_type = R300_DATA_TYPE_BYTE; + break; + case GL_UNSIGNED_SHORT: + r300_attr._signed = 0; + r300_attr.normalize = input->Normalized; + switch (input->Size) { + case 1: + case 2: + r300_attr.data_type = R300_DATA_TYPE_SHORT_2; + break; + case 3: + case 4: + r300_attr.data_type = R300_DATA_TYPE_SHORT_4; + break; + } + break; + case GL_UNSIGNED_BYTE: + r300_attr._signed = 0; + r300_attr.normalize = input->Normalized; + if (input->Format == GL_BGRA) + r300_attr.data_type = R300_DATA_TYPE_D3DCOLOR; + else + r300_attr.data_type = R300_DATA_TYPE_BYTE; + break; + + default: + case GL_DOUBLE: + case GL_INT: + case GL_UNSIGNED_INT: + assert(0); + break; + } + + switch (input->Size) { + case 4: + r300_attr.swizzle = SWIZZLE_XYZW; + break; + case 3: + r300_attr.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE); + break; + case 2: + r300_attr.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ONE); + break; + case 1: + r300_attr.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ONE); + break; + } + + r300_attr.write_mask = MASK_XYZW; + + vbuf->attribs[vbuf->num_attribs] = r300_attr; + ++vbuf->num_attribs; +} + +static void r300SetVertexFormat(GLcontext *ctx, const struct gl_client_array *arrays[], int count) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s\n", __func__); + { + int i, tmp; + + tmp = r300->selected_vp->code.InputsRead; + i = 0; + vbuf->num_attribs = 0; + while (tmp) { + /* find first enabled bit */ + while (!(tmp & 1)) { + tmp >>= 1; + ++i; + } + + r300TranslateAttrib(ctx, i, count, arrays[i]); + + tmp >>= 1; + ++i; + } + } + + r300SwitchFallback(ctx, R300_FALLBACK_AOS_LIMIT, vbuf->num_attribs > R300_MAX_AOS_ARRAYS); + if (r300->fallback) + return; +} + +static void r300AllocDmaRegions(GLcontext *ctx, const struct gl_client_array *input[], int count) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + GLuint stride; + int ret; + int i, index; + radeon_print(RADEON_RENDER, RADEON_VERBOSE, + "%s: count %d num_attribs %d\n", + __func__, count, vbuf->num_attribs); + + for (index = 0; index < vbuf->num_attribs; index++) { + struct radeon_aos *aos = &r300->radeon.tcl.aos[index]; + i = vbuf->attribs[index].element; + + stride = (input[i]->StrideB == 0) ? getTypeSize(input[i]->Type) * input[i]->Size : input[i]->StrideB; + + if (input[i]->Type == GL_DOUBLE || input[i]->Type == GL_UNSIGNED_INT || input[i]->Type == GL_INT || +#if MESA_BIG_ENDIAN + getTypeSize(input[i]->Type) != 4 || +#endif + stride < 4) { + + r300ConvertAttrib(ctx, count, input[i], &vbuf->attribs[index]); + } else { + if (input[i]->BufferObj->Name) { + if (stride % 4 != 0) { + assert(((intptr_t) input[i]->Ptr) % input[i]->StrideB == 0); + r300AlignDataToDword(ctx, input[i], count, &vbuf->attribs[index]); + vbuf->attribs[index].is_named_bo = GL_FALSE; + } else { + vbuf->attribs[index].stride = input[i]->StrideB; + vbuf->attribs[index].bo_offset = (intptr_t) input[i]->Ptr; + vbuf->attribs[index].bo = get_radeon_buffer_object(input[i]->BufferObj)->bo; + vbuf->attribs[index].is_named_bo = GL_TRUE; + } + } else { + + int size; + int local_count = count; + uint32_t *dst; + + if (input[i]->StrideB == 0) { + size = getTypeSize(input[i]->Type) * input[i]->Size; + local_count = 1; + } else { + size = getTypeSize(input[i]->Type) * input[i]->Size * local_count; + } + + radeonAllocDmaRegion(&r300->radeon, &vbuf->attribs[index].bo, &vbuf->attribs[index].bo_offset, size, 32); + assert(vbuf->attribs[index].bo->ptr != NULL); + dst = (uint32_t *)ADD_POINTERS(vbuf->attribs[index].bo->ptr, vbuf->attribs[index].bo_offset); + switch (vbuf->attribs[index].dwords) { + case 1: radeonEmitVec4(dst, input[i]->Ptr, input[i]->StrideB, local_count); break; + case 2: radeonEmitVec8(dst, input[i]->Ptr, input[i]->StrideB, local_count); break; + case 3: radeonEmitVec12(dst, input[i]->Ptr, input[i]->StrideB, local_count); break; + case 4: radeonEmitVec16(dst, input[i]->Ptr, input[i]->StrideB, local_count); break; + default: assert(0); break; + } + + } + } + + aos->count = vbuf->attribs[index].stride == 0 ? 1 : count; + aos->stride = vbuf->attribs[index].stride / sizeof(float); + aos->components = vbuf->attribs[index].dwords; + aos->bo = vbuf->attribs[index].bo; + aos->offset = vbuf->attribs[index].bo_offset; + + if (vbuf->attribs[index].is_named_bo) { + radeon_cs_space_add_persistent_bo(r300->radeon.cmdbuf.cs, r300->vbuf.attribs[index].bo, RADEON_GEM_DOMAIN_GTT, 0); + } + } + + r300->radeon.tcl.aos_count = vbuf->num_attribs; + ret = radeon_cs_space_check_with_bo(r300->radeon.cmdbuf.cs, first_elem(&r300->radeon.dma.reserved)->bo, RADEON_GEM_DOMAIN_GTT, 0); + r300SwitchFallback(ctx, R300_FALLBACK_INVALID_BUFFERS, ret); + +} + +static void r300FreeData(GLcontext *ctx) +{ + /* Need to zero tcl.aos[n].bo and tcl.elt_dma_bo + * to prevent double unref in radeonReleaseArrays + * called during context destroy + */ + radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s\n", __func__); + r300ContextPtr r300 = R300_CONTEXT(ctx); + { + int i; + + for (i = 0; i < r300->vbuf.num_attribs; i++) { + if (!r300->vbuf.attribs[i].is_named_bo) { + radeon_bo_unref(r300->vbuf.attribs[i].bo); + } + r300->radeon.tcl.aos[i].bo = NULL; + } + } + + { + if (r300->ind_buf.bo != NULL) { + radeon_bo_unref(r300->ind_buf.bo); + } + } +} + +static GLuint r300PredictTryDrawPrimsSize(GLcontext *ctx, GLuint nr_prims) +{ + struct r300_context *r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + GLboolean flushed; + GLuint dwords; + GLuint state_size; + + dwords = 2*CACHE_FLUSH_BUFSZ; + dwords += PRE_EMIT_STATE_BUFSZ; + dwords += (AOS_BUFSZ(vbuf->num_attribs) + + SCISSORS_BUFSZ*2 + + FIREAOS_BUFSZ )*nr_prims; + + state_size = radeonCountStateEmitSize(&r300->radeon); + flushed = rcommonEnsureCmdBufSpace(&r300->radeon, + dwords + state_size, + __FUNCTION__); + if (flushed) + dwords += radeonCountStateEmitSize(&r300->radeon); + else + dwords += state_size; + + radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s: total prediction size is %d.\n", __FUNCTION__, dwords); + return dwords; +} + +static GLboolean r300TryDrawPrims(GLcontext *ctx, + const struct gl_client_array *arrays[], + const struct _mesa_prim *prim, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index ) +{ + struct r300_context *r300 = R300_CONTEXT(ctx); + GLuint i; + + radeon_print(RADEON_RENDER, RADEON_NORMAL, "%s: %u (%d-%d) cs begin at %d\n", + __FUNCTION__, nr_prims, min_index, max_index, r300->radeon.cmdbuf.cs->cdw ); + + if (ctx->NewState) + _mesa_update_state( ctx ); + + if (r300->options.hw_tcl_enabled) + _tnl_UpdateFixedFunctionProgram(ctx); + + r300UpdateShaders(r300); + + r300SwitchFallback(ctx, R300_FALLBACK_INVALID_BUFFERS, !r300ValidateBuffers(ctx)); + + r300SetVertexFormat(ctx, arrays, max_index + 1); + + if (r300->fallback) + return GL_FALSE; + + r300SetupVAP(ctx, r300->selected_vp->code.InputsRead, r300->selected_vp->code.OutputsWritten); + + r300UpdateShaderStates(r300); + + /* ensure we have the cmd buf space in advance to cover + * the state + DMA AOS pointers */ + GLuint emit_end = r300PredictTryDrawPrimsSize(ctx, nr_prims) + + r300->radeon.cmdbuf.cs->cdw; + + r300SetupIndexBuffer(ctx, ib); + + r300AllocDmaRegions(ctx, arrays, max_index + 1); + + if (r300->fallback) + return GL_FALSE; + + r300EmitCacheFlush(r300); + radeonEmitState(&r300->radeon); + + for (i = 0; i < nr_prims; ++i) { + r300RunRenderPrimitive(ctx, prim[i].start, prim[i].start + prim[i].count, prim[i].mode); + } + + r300EmitCacheFlush(r300); + + r300FreeData(ctx); + + radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s: %u (%d-%d) cs ending at %d\n", + __FUNCTION__, nr_prims, min_index, max_index, r300->radeon.cmdbuf.cs->cdw ); + + if (emit_end < r300->radeon.cmdbuf.cs->cdw) + WARN_ONCE("Rendering was %d commands larger than predicted size." + " We might overflow command buffer.\n", r300->radeon.cmdbuf.cs->cdw - emit_end); + + return GL_TRUE; +} + +static void r300DrawPrims(GLcontext *ctx, + const struct gl_client_array *arrays[], + const struct _mesa_prim *prim, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index) +{ + GLboolean retval; + + /* This check should get folded into just the places that + * min/max index are really needed. + */ + if (!index_bounds_valid) { + vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index); + } + + if (min_index) { + radeon_print(RADEON_FALLBACKS, RADEON_IMPORTANT, + "%s: Rebasing primitives. %p nr_prims %d min_index %u max_index %u\n", + __func__, prim, nr_prims, min_index, max_index); + vbo_rebase_prims( ctx, arrays, prim, nr_prims, ib, min_index, max_index, r300DrawPrims ); + return; + } + + /* Make an attempt at drawing */ + retval = r300TryDrawPrims(ctx, arrays, prim, nr_prims, ib, min_index, max_index); + + /* If failed run tnl pipeline - it should take care of fallbacks */ + if (!retval) + _tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index); +} + +void r300InitDraw(GLcontext *ctx) +{ + struct vbo_context *vbo = vbo_context(ctx); + + vbo->draw_prims = r300DrawPrims; +} |