diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_draw.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_draw.c | 475 |
1 files changed, 475 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..cc5650fb7c --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_draw.c @@ -0,0 +1,475 @@ +/************************************************************************** + * + * 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 "r300_reg.h" +#include "r300_context.h" +#include "r300_emit.h" +#include "r300_render.h" +#include "r300_state.h" +#include "r300_tex.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 void r300FixupIndexBuffer(GLcontext *ctx, const struct _mesa_index_buffer *mesa_ind_buf, struct gl_buffer_object **bo, GLuint *nr_bo) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + struct r300_index_buffer *ind_buf = &r300->ind_buf; + GLvoid *src_ptr; + + if (!mesa_ind_buf) { + ind_buf->ptr = NULL; + return; + } + + ind_buf->count = mesa_ind_buf->count; + if (mesa_ind_buf->obj->Name && !mesa_ind_buf->obj->Pointer) { + bo[*nr_bo] = mesa_ind_buf->obj; + (*nr_bo)++; + ctx->Driver.MapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER, GL_READ_ONLY_ARB, mesa_ind_buf->obj); + 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) { + GLubyte *in = (GLubyte *)src_ptr; + GLuint *out = _mesa_malloc(sizeof(GLushort) * ((mesa_ind_buf->count + 1) & ~1)); + int i; + + ind_buf->ptr = out; + + 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]; + } + + ind_buf->free_needed = GL_TRUE; + ind_buf->is_32bit = GL_FALSE; + } else if (mesa_ind_buf->type == GL_UNSIGNED_SHORT) { +#if MESA_BIG_ENDIAN + GLushort *in = (GLushort *)src_ptr; + GLuint *out = _mesa_malloc(sizeof(GLushort) * + ((mesa_ind_buf->count + 1) & ~1)); + int i; + + ind_buf->ptr = out; + + 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]; + } + + ind_buf->free_needed = GL_TRUE; +#else + ind_buf->ptr = src_ptr; + ind_buf->free_needed = GL_FALSE; +#endif + ind_buf->is_32bit = GL_FALSE; + } else { + ind_buf->ptr = src_ptr; + ind_buf->free_needed = GL_FALSE; + ind_buf->is_32bit = GL_TRUE; + } +} + +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; + } +} + +#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) + +static void r300TranslateAttrib(GLcontext *ctx, GLuint attr, int count, const struct gl_client_array *input, struct gl_buffer_object **bo, GLuint *nr_bo) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + struct vertex_attribute r300_attr; + const void *src_ptr; + GLenum type; + GLuint stride; + + if (input->BufferObj->Name) { + if (!input->BufferObj->Pointer) { + bo[*nr_bo] = input->BufferObj; + (*nr_bo)++; + ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER, GL_READ_ONLY_ARB, input->BufferObj); + assert(input->BufferObj->Pointer != NULL); + } + + src_ptr = ADD_POINTERS(input->BufferObj->Pointer, input->Ptr); + } else + src_ptr = input->Ptr; + + 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) { + 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); + } + + GLfloat *dst_ptr, *tmp; + tmp = dst_ptr = _mesa_malloc(sizeof(GLfloat) * input->Size * count); + + 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; + } + + type = GL_FLOAT; + r300_attr.free_needed = GL_TRUE; + r300_attr.data = tmp; + r300_attr.stride = sizeof(GLfloat) * input->Size; + r300_attr.dwords = input->Size; + } else { + type = input->Type; + r300_attr.free_needed = GL_FALSE; + r300_attr.data = (GLvoid *)src_ptr; + r300_attr.stride = stride; + r300_attr.dwords = (getTypeSize(type) * input->Size + 3)/ 4; + } + + 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, struct gl_buffer_object **bo, GLuint *nr_bo) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + struct r300_vertex_buffer *vbuf = &r300->vbuf; + + { + int i, tmp; + + tmp = r300->selected_vp->key.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], bo, nr_bo); + + tmp >>= 1; + ++i; + } + } + + r300SwitchFallback(ctx, R300_FALLBACK_AOS_LIMIT, vbuf->num_attribs > R300_MAX_AOS_ARRAYS); + if (r300->fallback) + return; + + { + int i; + + for (i = 0; i < vbuf->num_attribs; i++) { + rcommon_emit_vector(ctx, &r300->radeon.tcl.aos[i], + vbuf->attribs[i].data, vbuf->attribs[i].dwords, + vbuf->attribs[i].stride, count); + } + + r300->radeon.tcl.aos_count = vbuf->num_attribs; + } +} + +static void r300FreeData(GLcontext *ctx, struct gl_buffer_object **bo, GLuint nr_bo) +{ + { + struct r300_vertex_buffer *vbuf = &R300_CONTEXT(ctx)->vbuf; + int i; + + for (i = 0; i < vbuf->num_attribs; i++) { + if (vbuf->attribs[i].free_needed) + _mesa_free(vbuf->attribs[i].data); + } + } + + { + struct r300_index_buffer *ind_buf = &R300_CONTEXT(ctx)->ind_buf; + if (ind_buf->free_needed) + _mesa_free(ind_buf->ptr); + } + + { + int i; + + for (i = 0; i < nr_bo; ++i) { + ctx->Driver.UnmapBuffer(ctx, 0, bo[i]); + } + } +} + +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); + struct gl_buffer_object *bo[VERT_ATTRIB_MAX+1]; + GLuint i, nr_bo = 0; + + 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)); + + r300FixupIndexBuffer(ctx, ib, bo, &nr_bo); + + r300SetVertexFormat(ctx, arrays, max_index + 1, bo, &nr_bo); + + if (r300->fallback) + return GL_FALSE; + + r300SetupVAP(ctx, r300->selected_vp->key.InputsRead, r300->selected_vp->key.OutputsWritten); + + r300UpdateShaderStates(r300); + + 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); + + radeonReleaseArrays(ctx, ~0); + + r300FreeData(ctx, bo, nr_bo); + + return GL_TRUE; +} + +/* TODO: rebase if number of indices in any of primitives is > 8192 for 32bit indices or 16384 for 16bit indices */ + +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, + GLuint min_index, + GLuint max_index) +{ + GLboolean retval; + + 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; +} |