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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_draw.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_draw.c704
1 files changed, 704 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..56680516c8
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_draw.c
@@ -0,0 +1,704 @@
+/**************************************************************************
+ *
+ * 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);
+
+ 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;
+ }
+
+#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);
+
+ if (RADEON_DEBUG & DEBUG_FALLBACKS) {
+ fprintf(stderr, "%s: Converting vertex attributes, attribute data format %x,", __FUNCTION__, input->Type);
+ fprintf(stderr, "stride %d, components %d\n", 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;
+ }
+
+ {
+ 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;
+
+ 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;
+ {
+ 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;
+
+ 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
+ */
+ 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
+ + 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;
+
+ if (RADEON_DEBUG & DEBUG_PRIMS)
+ fprintf(stderr, "%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;
+
+ if (RADEON_DEBUG & DEBUG_PRIMS)
+ fprintf(stderr, "%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);
+
+ if (RADEON_DEBUG & DEBUG_PRIMS)
+ fprintf(stderr, "%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) {
+ 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 04:12:18 +0000