| /************************************************************************** |
| * |
| * Copyright 2003 VMware, Inc. |
| * Copyright 2009 VMware, Inc. |
| * 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 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 VMWARE 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 <stdio.h> |
| #include "main/glheader.h" |
| #include "main/context.h" |
| #include "main/state.h" |
| #include "main/api_validate.h" |
| #include "main/dispatch.h" |
| #include "main/varray.h" |
| #include "main/bufferobj.h" |
| #include "main/enums.h" |
| #include "main/macros.h" |
| #include "main/transformfeedback.h" |
| #include "main/sse_minmax.h" |
| #include "x86/common_x86_asm.h" |
| |
| #include "vbo_context.h" |
| |
| |
| /** |
| * All vertex buffers should be in an unmapped state when we're about |
| * to draw. This debug function checks that. |
| */ |
| static void |
| check_buffers_are_unmapped(const struct gl_client_array **inputs) |
| { |
| #ifdef DEBUG |
| GLuint i; |
| |
| for (i = 0; i < VERT_ATTRIB_MAX; i++) { |
| if (inputs[i]) { |
| struct gl_buffer_object *obj = inputs[i]->BufferObj; |
| assert(!_mesa_check_disallowed_mapping(obj)); |
| (void) obj; |
| } |
| } |
| #endif |
| } |
| |
| |
| /** |
| * A debug function that may be called from other parts of Mesa as |
| * needed during debugging. |
| */ |
| void |
| vbo_check_buffers_are_unmapped(struct gl_context *ctx) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| /* check the current vertex arrays */ |
| check_buffers_are_unmapped(exec->array.inputs); |
| /* check the current glBegin/glVertex/glEnd-style VBO */ |
| assert(!_mesa_check_disallowed_mapping(exec->vtx.bufferobj)); |
| } |
| |
| |
| |
| /** |
| * Compute min and max elements by scanning the index buffer for |
| * glDraw[Range]Elements() calls. |
| * If primitive restart is enabled, we need to ignore restart |
| * indexes when computing min/max. |
| */ |
| static void |
| vbo_get_minmax_index(struct gl_context *ctx, |
| const struct _mesa_prim *prim, |
| const struct _mesa_index_buffer *ib, |
| GLuint *min_index, GLuint *max_index, |
| const GLuint count) |
| { |
| const GLboolean restart = ctx->Array._PrimitiveRestart; |
| const GLuint restartIndex = _mesa_primitive_restart_index(ctx, ib->type); |
| const int index_size = vbo_sizeof_ib_type(ib->type); |
| const char *indices; |
| GLuint i; |
| |
| indices = (char *) ib->ptr + prim->start * index_size; |
| if (_mesa_is_bufferobj(ib->obj)) { |
| GLsizeiptr size = MIN2(count * index_size, ib->obj->Size); |
| indices = ctx->Driver.MapBufferRange(ctx, (GLintptr) indices, size, |
| GL_MAP_READ_BIT, ib->obj, |
| MAP_INTERNAL); |
| } |
| |
| switch (ib->type) { |
| case GL_UNSIGNED_INT: { |
| const GLuint *ui_indices = (const GLuint *)indices; |
| GLuint max_ui = 0; |
| GLuint min_ui = ~0U; |
| if (restart) { |
| for (i = 0; i < count; i++) { |
| if (ui_indices[i] != restartIndex) { |
| if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; |
| if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; |
| } |
| } |
| } |
| else { |
| #if defined(USE_SSE41) |
| if (cpu_has_sse4_1) { |
| _mesa_uint_array_min_max(ui_indices, &min_ui, &max_ui, count); |
| } |
| else |
| #endif |
| for (i = 0; i < count; i++) { |
| if (ui_indices[i] > max_ui) max_ui = ui_indices[i]; |
| if (ui_indices[i] < min_ui) min_ui = ui_indices[i]; |
| } |
| } |
| *min_index = min_ui; |
| *max_index = max_ui; |
| break; |
| } |
| case GL_UNSIGNED_SHORT: { |
| const GLushort *us_indices = (const GLushort *)indices; |
| GLuint max_us = 0; |
| GLuint min_us = ~0U; |
| if (restart) { |
| for (i = 0; i < count; i++) { |
| if (us_indices[i] != restartIndex) { |
| if (us_indices[i] > max_us) max_us = us_indices[i]; |
| if (us_indices[i] < min_us) min_us = us_indices[i]; |
| } |
| } |
| } |
| else { |
| for (i = 0; i < count; i++) { |
| if (us_indices[i] > max_us) max_us = us_indices[i]; |
| if (us_indices[i] < min_us) min_us = us_indices[i]; |
| } |
| } |
| *min_index = min_us; |
| *max_index = max_us; |
| break; |
| } |
| case GL_UNSIGNED_BYTE: { |
| const GLubyte *ub_indices = (const GLubyte *)indices; |
| GLuint max_ub = 0; |
| GLuint min_ub = ~0U; |
| if (restart) { |
| for (i = 0; i < count; i++) { |
| if (ub_indices[i] != restartIndex) { |
| if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; |
| if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; |
| } |
| } |
| } |
| else { |
| for (i = 0; i < count; i++) { |
| if (ub_indices[i] > max_ub) max_ub = ub_indices[i]; |
| if (ub_indices[i] < min_ub) min_ub = ub_indices[i]; |
| } |
| } |
| *min_index = min_ub; |
| *max_index = max_ub; |
| break; |
| } |
| default: |
| unreachable("not reached"); |
| } |
| |
| if (_mesa_is_bufferobj(ib->obj)) { |
| ctx->Driver.UnmapBuffer(ctx, ib->obj, MAP_INTERNAL); |
| } |
| } |
| |
| /** |
| * Compute min and max elements for nr_prims |
| */ |
| void |
| vbo_get_minmax_indices(struct gl_context *ctx, |
| const struct _mesa_prim *prims, |
| const struct _mesa_index_buffer *ib, |
| GLuint *min_index, |
| GLuint *max_index, |
| GLuint nr_prims) |
| { |
| GLuint tmp_min, tmp_max; |
| GLuint i; |
| GLuint count; |
| |
| *min_index = ~0; |
| *max_index = 0; |
| |
| for (i = 0; i < nr_prims; i++) { |
| const struct _mesa_prim *start_prim; |
| |
| start_prim = &prims[i]; |
| count = start_prim->count; |
| /* Do combination if possible to reduce map/unmap count */ |
| while ((i + 1 < nr_prims) && |
| (prims[i].start + prims[i].count == prims[i+1].start)) { |
| count += prims[i+1].count; |
| i++; |
| } |
| vbo_get_minmax_index(ctx, start_prim, ib, &tmp_min, &tmp_max, count); |
| *min_index = MIN2(*min_index, tmp_min); |
| *max_index = MAX2(*max_index, tmp_max); |
| } |
| } |
| |
| |
| /** |
| * Check that element 'j' of the array has reasonable data. |
| * Map VBO if needed. |
| * For debugging purposes; not normally used. |
| */ |
| static void |
| check_array_data(struct gl_context *ctx, struct gl_client_array *array, |
| GLuint attrib, GLuint j) |
| { |
| if (array->Enabled) { |
| const void *data = array->Ptr; |
| if (_mesa_is_bufferobj(array->BufferObj)) { |
| if (!array->BufferObj->Mappings[MAP_INTERNAL].Pointer) { |
| /* need to map now */ |
| array->BufferObj->Mappings[MAP_INTERNAL].Pointer = |
| ctx->Driver.MapBufferRange(ctx, 0, array->BufferObj->Size, |
| GL_MAP_READ_BIT, array->BufferObj, |
| MAP_INTERNAL); |
| } |
| data = ADD_POINTERS(data, |
| array->BufferObj->Mappings[MAP_INTERNAL].Pointer); |
| } |
| switch (array->Type) { |
| case GL_FLOAT: |
| { |
| GLfloat *f = (GLfloat *) ((GLubyte *) data + array->StrideB * j); |
| GLint k; |
| for (k = 0; k < array->Size; k++) { |
| if (IS_INF_OR_NAN(f[k]) || |
| f[k] >= 1.0e20F || f[k] <= -1.0e10F) { |
| printf("Bad array data:\n"); |
| printf(" Element[%u].%u = %f\n", j, k, f[k]); |
| printf(" Array %u at %p\n", attrib, (void* ) array); |
| printf(" Type 0x%x, Size %d, Stride %d\n", |
| array->Type, array->Size, array->Stride); |
| printf(" Address/offset %p in Buffer Object %u\n", |
| array->Ptr, array->BufferObj->Name); |
| f[k] = 1.0F; /* XXX replace the bad value! */ |
| } |
| /*assert(!IS_INF_OR_NAN(f[k]));*/ |
| } |
| } |
| break; |
| default: |
| ; |
| } |
| } |
| } |
| |
| |
| /** |
| * Unmap the buffer object referenced by given array, if mapped. |
| */ |
| static void |
| unmap_array_buffer(struct gl_context *ctx, struct gl_client_array *array) |
| { |
| if (array->Enabled && |
| _mesa_is_bufferobj(array->BufferObj) && |
| _mesa_bufferobj_mapped(array->BufferObj, MAP_INTERNAL)) { |
| ctx->Driver.UnmapBuffer(ctx, array->BufferObj, MAP_INTERNAL); |
| } |
| } |
| |
| |
| /** |
| * Examine the array's data for NaNs, etc. |
| * For debug purposes; not normally used. |
| */ |
| static void |
| check_draw_elements_data(struct gl_context *ctx, GLsizei count, GLenum elemType, |
| const void *elements, GLint basevertex) |
| { |
| struct gl_vertex_array_object *vao = ctx->Array.VAO; |
| const void *elemMap; |
| GLint i; |
| GLuint k; |
| |
| if (_mesa_is_bufferobj(ctx->Array.VAO->IndexBufferObj)) { |
| elemMap = ctx->Driver.MapBufferRange(ctx, 0, |
| ctx->Array.VAO->IndexBufferObj->Size, |
| GL_MAP_READ_BIT, |
| ctx->Array.VAO->IndexBufferObj, |
| MAP_INTERNAL); |
| elements = ADD_POINTERS(elements, elemMap); |
| } |
| |
| for (i = 0; i < count; i++) { |
| GLuint j; |
| |
| /* j = element[i] */ |
| switch (elemType) { |
| case GL_UNSIGNED_BYTE: |
| j = ((const GLubyte *) elements)[i]; |
| break; |
| case GL_UNSIGNED_SHORT: |
| j = ((const GLushort *) elements)[i]; |
| break; |
| case GL_UNSIGNED_INT: |
| j = ((const GLuint *) elements)[i]; |
| break; |
| default: |
| assert(0); |
| } |
| |
| /* check element j of each enabled array */ |
| for (k = 0; k < ARRAY_SIZE(vao->_VertexAttrib); k++) { |
| check_array_data(ctx, &vao->_VertexAttrib[k], k, j); |
| } |
| } |
| |
| if (_mesa_is_bufferobj(vao->IndexBufferObj)) { |
| ctx->Driver.UnmapBuffer(ctx, ctx->Array.VAO->IndexBufferObj, |
| MAP_INTERNAL); |
| } |
| |
| for (k = 0; k < ARRAY_SIZE(vao->_VertexAttrib); k++) { |
| unmap_array_buffer(ctx, &vao->_VertexAttrib[k]); |
| } |
| } |
| |
| |
| /** |
| * Check array data, looking for NaNs, etc. |
| */ |
| static void |
| check_draw_arrays_data(struct gl_context *ctx, GLint start, GLsizei count) |
| { |
| /* TO DO */ |
| } |
| |
| |
| /** |
| * Print info/data for glDrawArrays(), for debugging. |
| */ |
| static void |
| print_draw_arrays(struct gl_context *ctx, |
| GLenum mode, GLint start, GLsizei count) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct gl_vertex_array_object *vao = ctx->Array.VAO; |
| int i; |
| |
| printf("vbo_exec_DrawArrays(mode 0x%x, start %d, count %d):\n", |
| mode, start, count); |
| |
| for (i = 0; i < 32; i++) { |
| struct gl_buffer_object *bufObj = exec->array.inputs[i]->BufferObj; |
| GLuint bufName = bufObj->Name; |
| GLint stride = exec->array.inputs[i]->Stride; |
| printf("attr %2d: size %d stride %d enabled %d " |
| "ptr %p Bufobj %u\n", |
| i, |
| exec->array.inputs[i]->Size, |
| stride, |
| /*exec->array.inputs[i]->Enabled,*/ |
| vao->_VertexAttrib[VERT_ATTRIB_FF(i)].Enabled, |
| exec->array.inputs[i]->Ptr, |
| bufName); |
| |
| if (bufName) { |
| GLubyte *p = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size, |
| GL_MAP_READ_BIT, bufObj, |
| MAP_INTERNAL); |
| int offset = (int) (GLintptr) exec->array.inputs[i]->Ptr; |
| float *f = (float *) (p + offset); |
| int *k = (int *) f; |
| int i; |
| int n = (count * stride) / 4; |
| if (n > 32) |
| n = 32; |
| printf(" Data at offset %d:\n", offset); |
| for (i = 0; i < n; i++) { |
| printf(" float[%d] = 0x%08x %f\n", i, k[i], f[i]); |
| } |
| ctx->Driver.UnmapBuffer(ctx, bufObj, MAP_INTERNAL); |
| } |
| } |
| } |
| |
| |
| /** |
| * Set the vbo->exec->inputs[] pointers to point to the enabled |
| * vertex arrays. This depends on the current vertex program/shader |
| * being executed because of whether or not generic vertex arrays |
| * alias the conventional vertex arrays. |
| * For arrays that aren't enabled, we set the input[attrib] pointer |
| * to point at a zero-stride current value "array". |
| */ |
| static void |
| recalculate_input_bindings(struct gl_context *ctx) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct gl_client_array *vertexAttrib = ctx->Array.VAO->_VertexAttrib; |
| const struct gl_client_array **inputs = &exec->array.inputs[0]; |
| GLbitfield64 const_inputs = 0x0; |
| GLuint i; |
| |
| switch (get_program_mode(ctx)) { |
| case VP_NONE: |
| /* When no vertex program is active (or the vertex program is generated |
| * from fixed-function state). We put the material values into the |
| * generic slots. This is the only situation where material values |
| * are available as per-vertex attributes. |
| */ |
| for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) { |
| if (vertexAttrib[VERT_ATTRIB_FF(i)].Enabled) |
| inputs[i] = &vertexAttrib[VERT_ATTRIB_FF(i)]; |
| else { |
| inputs[i] = &vbo->currval[VBO_ATTRIB_POS+i]; |
| const_inputs |= VERT_BIT(i); |
| } |
| } |
| |
| for (i = 0; i < MAT_ATTRIB_MAX; i++) { |
| inputs[VERT_ATTRIB_GENERIC(i)] = |
| &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT+i]; |
| const_inputs |= VERT_BIT_GENERIC(i); |
| } |
| |
| /* Could use just about anything, just to fill in the empty |
| * slots: |
| */ |
| for (i = MAT_ATTRIB_MAX; i < VERT_ATTRIB_GENERIC_MAX; i++) { |
| inputs[VERT_ATTRIB_GENERIC(i)] = &vbo->currval[VBO_ATTRIB_GENERIC0+i]; |
| const_inputs |= VERT_BIT_GENERIC(i); |
| } |
| break; |
| |
| case VP_ARB: |
| /* There are no shaders in OpenGL ES 1.x, so this code path should be |
| * impossible to reach. The meta code is careful to not use shaders in |
| * ES1. |
| */ |
| assert(ctx->API != API_OPENGLES); |
| |
| /* In the compatibility profile of desktop OpenGL, the generic[0] |
| * attribute array aliases and overrides the legacy position array. |
| * Otherwise, legacy attributes available in the legacy slots, |
| * generic attributes in the generic slots and materials are not |
| * available as per-vertex attributes. |
| * |
| * In all other APIs, only the generic attributes exist, and none of the |
| * slots are considered "magic." |
| */ |
| if (ctx->API == API_OPENGL_COMPAT) { |
| if (vertexAttrib[VERT_ATTRIB_GENERIC0].Enabled) |
| inputs[0] = &vertexAttrib[VERT_ATTRIB_GENERIC0]; |
| else if (vertexAttrib[VERT_ATTRIB_POS].Enabled) |
| inputs[0] = &vertexAttrib[VERT_ATTRIB_POS]; |
| else { |
| inputs[0] = &vbo->currval[VBO_ATTRIB_POS]; |
| const_inputs |= VERT_BIT_POS; |
| } |
| |
| for (i = 1; i < VERT_ATTRIB_FF_MAX; i++) { |
| if (vertexAttrib[VERT_ATTRIB_FF(i)].Enabled) |
| inputs[i] = &vertexAttrib[VERT_ATTRIB_FF(i)]; |
| else { |
| inputs[i] = &vbo->currval[VBO_ATTRIB_POS+i]; |
| const_inputs |= VERT_BIT_FF(i); |
| } |
| } |
| |
| for (i = 1; i < VERT_ATTRIB_GENERIC_MAX; i++) { |
| if (vertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled) |
| inputs[VERT_ATTRIB_GENERIC(i)] = |
| &vertexAttrib[VERT_ATTRIB_GENERIC(i)]; |
| else { |
| inputs[VERT_ATTRIB_GENERIC(i)] = |
| &vbo->currval[VBO_ATTRIB_GENERIC0+i]; |
| const_inputs |= VERT_BIT_GENERIC(i); |
| } |
| } |
| |
| inputs[VERT_ATTRIB_GENERIC0] = inputs[0]; |
| } else { |
| /* Other parts of the code assume that inputs[0] through |
| * inputs[VERT_ATTRIB_FF_MAX] will be non-NULL. However, in OpenGL |
| * ES 2.0+ or OpenGL core profile, none of these arrays should ever |
| * be enabled. |
| */ |
| for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) { |
| assert(!vertexAttrib[VERT_ATTRIB_FF(i)].Enabled); |
| |
| inputs[i] = &vbo->currval[VBO_ATTRIB_POS+i]; |
| const_inputs |= VERT_BIT_FF(i); |
| } |
| |
| for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) { |
| if (vertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled) |
| inputs[VERT_ATTRIB_GENERIC(i)] = |
| &vertexAttrib[VERT_ATTRIB_GENERIC(i)]; |
| else { |
| inputs[VERT_ATTRIB_GENERIC(i)] = |
| &vbo->currval[VBO_ATTRIB_GENERIC0+i]; |
| const_inputs |= VERT_BIT_GENERIC(i); |
| } |
| } |
| } |
| |
| break; |
| } |
| |
| _mesa_set_varying_vp_inputs( ctx, VERT_BIT_ALL & (~const_inputs) ); |
| ctx->NewDriverState |= ctx->DriverFlags.NewArray; |
| } |
| |
| |
| /** |
| * Examine the enabled vertex arrays to set the exec->array.inputs[] values. |
| * These will point to the arrays to actually use for drawing. Some will |
| * be user-provided arrays, other will be zero-stride const-valued arrays. |
| * Note that this might set the _NEW_VARYING_VP_INPUTS dirty flag so state |
| * validation must be done after this call. |
| */ |
| void |
| vbo_bind_arrays(struct gl_context *ctx) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| |
| vbo_draw_method(vbo, DRAW_ARRAYS); |
| |
| if (exec->array.recalculate_inputs) { |
| recalculate_input_bindings(ctx); |
| exec->array.recalculate_inputs = GL_FALSE; |
| |
| /* Again... because we may have changed the bitmask of per-vertex varying |
| * attributes. If we regenerate the fixed-function vertex program now |
| * we may be able to prune down the number of vertex attributes which we |
| * need in the shader. |
| */ |
| if (ctx->NewState) { |
| /* Setting "validating" to TRUE prevents _mesa_update_state from |
| * invalidating what we just did. |
| */ |
| exec->validating = GL_TRUE; |
| _mesa_update_state(ctx); |
| exec->validating = GL_FALSE; |
| } |
| } |
| } |
| |
| /** |
| * Helper function called by the other DrawArrays() functions below. |
| * This is where we handle primitive restart for drawing non-indexed |
| * arrays. If primitive restart is enabled, it typically means |
| * splitting one DrawArrays() into two. |
| */ |
| static void |
| vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start, |
| GLsizei count, GLuint numInstances, GLuint baseInstance) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_prim prim[2]; |
| |
| vbo_bind_arrays(ctx); |
| |
| /* init most fields to zero */ |
| memset(prim, 0, sizeof(prim)); |
| prim[0].begin = 1; |
| prim[0].end = 1; |
| prim[0].mode = mode; |
| prim[0].num_instances = numInstances; |
| prim[0].base_instance = baseInstance; |
| prim[0].is_indirect = 0; |
| |
| /* Implement the primitive restart index */ |
| if (ctx->Array.PrimitiveRestart && !ctx->Array.PrimitiveRestartFixedIndex && |
| ctx->Array.RestartIndex < count) { |
| GLuint primCount = 0; |
| |
| if (ctx->Array.RestartIndex == start) { |
| /* special case: RestartIndex at beginning */ |
| if (count > 1) { |
| prim[0].start = start + 1; |
| prim[0].count = count - 1; |
| primCount = 1; |
| } |
| } |
| else if (ctx->Array.RestartIndex == start + count - 1) { |
| /* special case: RestartIndex at end */ |
| if (count > 1) { |
| prim[0].start = start; |
| prim[0].count = count - 1; |
| primCount = 1; |
| } |
| } |
| else { |
| /* general case: RestartIndex in middle, split into two prims */ |
| prim[0].start = start; |
| prim[0].count = ctx->Array.RestartIndex - start; |
| |
| prim[1] = prim[0]; |
| prim[1].start = ctx->Array.RestartIndex + 1; |
| prim[1].count = count - prim[1].start; |
| |
| primCount = 2; |
| } |
| |
| if (primCount > 0) { |
| /* draw one or two prims */ |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, primCount, NULL, |
| GL_TRUE, start, start + count - 1, NULL, 0, NULL); |
| } |
| } |
| else { |
| /* no prim restart */ |
| prim[0].start = start; |
| prim[0].count = count; |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, 1, NULL, |
| GL_TRUE, start, start + count - 1, |
| NULL, 0, NULL); |
| } |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { |
| _mesa_flush(ctx); |
| } |
| } |
| |
| |
| /** |
| * Execute a glRectf() function. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| CALL_Begin(GET_DISPATCH(), (GL_QUADS)); |
| CALL_Vertex2f(GET_DISPATCH(), (x1, y1)); |
| CALL_Vertex2f(GET_DISPATCH(), (x2, y1)); |
| CALL_Vertex2f(GET_DISPATCH(), (x2, y2)); |
| CALL_Vertex2f(GET_DISPATCH(), (x1, y2)); |
| CALL_End(GET_DISPATCH(), ()); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalMesh1(GLenum mode, GLint i1, GLint i2) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLint i; |
| GLfloat u, du; |
| GLenum prim; |
| |
| switch (mode) { |
| case GL_POINT: |
| prim = GL_POINTS; |
| break; |
| case GL_LINE: |
| prim = GL_LINE_STRIP; |
| break; |
| default: |
| _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh1(mode)" ); |
| return; |
| } |
| |
| /* No effect if vertex maps disabled. |
| */ |
| if (!ctx->Eval.Map1Vertex4 && |
| !ctx->Eval.Map1Vertex3) |
| return; |
| |
| du = ctx->Eval.MapGrid1du; |
| u = ctx->Eval.MapGrid1u1 + i1 * du; |
| |
| CALL_Begin(GET_DISPATCH(), (prim)); |
| for (i=i1;i<=i2;i++,u+=du) { |
| CALL_EvalCoord1f(GET_DISPATCH(), (u)); |
| } |
| CALL_End(GET_DISPATCH(), ()); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_EvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| GLfloat u, du, v, dv, v1, u1; |
| GLint i, j; |
| |
| switch (mode) { |
| case GL_POINT: |
| case GL_LINE: |
| case GL_FILL: |
| break; |
| default: |
| _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" ); |
| return; |
| } |
| |
| /* No effect if vertex maps disabled. |
| */ |
| if (!ctx->Eval.Map2Vertex4 && |
| !ctx->Eval.Map2Vertex3) |
| return; |
| |
| du = ctx->Eval.MapGrid2du; |
| dv = ctx->Eval.MapGrid2dv; |
| v1 = ctx->Eval.MapGrid2v1 + j1 * dv; |
| u1 = ctx->Eval.MapGrid2u1 + i1 * du; |
| |
| switch (mode) { |
| case GL_POINT: |
| CALL_Begin(GET_DISPATCH(), (GL_POINTS)); |
| for (v=v1,j=j1;j<=j2;j++,v+=dv) { |
| for (u=u1,i=i1;i<=i2;i++,u+=du) { |
| CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); |
| } |
| } |
| CALL_End(GET_DISPATCH(), ()); |
| break; |
| case GL_LINE: |
| for (v=v1,j=j1;j<=j2;j++,v+=dv) { |
| CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP)); |
| for (u=u1,i=i1;i<=i2;i++,u+=du) { |
| CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); |
| } |
| CALL_End(GET_DISPATCH(), ()); |
| } |
| for (u=u1,i=i1;i<=i2;i++,u+=du) { |
| CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP)); |
| for (v=v1,j=j1;j<=j2;j++,v+=dv) { |
| CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); |
| } |
| CALL_End(GET_DISPATCH(), ()); |
| } |
| break; |
| case GL_FILL: |
| for (v=v1,j=j1;j<j2;j++,v+=dv) { |
| CALL_Begin(GET_DISPATCH(), (GL_TRIANGLE_STRIP)); |
| for (u=u1,i=i1;i<=i2;i++,u+=du) { |
| CALL_EvalCoord2f(GET_DISPATCH(), (u, v)); |
| CALL_EvalCoord2f(GET_DISPATCH(), (u, v+dv)); |
| } |
| CALL_End(GET_DISPATCH(), ()); |
| } |
| break; |
| } |
| } |
| |
| |
| /** |
| * Called from glDrawArrays when in immediate mode (not display list mode). |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawArrays(%s, %d, %d)\n", |
| _mesa_enum_to_string(mode), start, count); |
| |
| if (!_mesa_validate_DrawArrays(ctx, mode, count)) |
| return; |
| |
| if (0) |
| check_draw_arrays_data(ctx, start, count); |
| |
| vbo_draw_arrays(ctx, mode, start, count, 1, 0); |
| |
| if (0) |
| print_draw_arrays(ctx, mode, start, count); |
| } |
| |
| |
| /** |
| * Called from glDrawArraysInstanced when in immediate mode (not |
| * display list mode). |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawArraysInstanced(GLenum mode, GLint start, GLsizei count, |
| GLsizei numInstances) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawArraysInstanced(%s, %d, %d, %d)\n", |
| _mesa_enum_to_string(mode), start, count, numInstances); |
| |
| if (!_mesa_validate_DrawArraysInstanced(ctx, mode, start, count, numInstances)) |
| return; |
| |
| if (0) |
| check_draw_arrays_data(ctx, start, count); |
| |
| vbo_draw_arrays(ctx, mode, start, count, numInstances, 0); |
| |
| if (0) |
| print_draw_arrays(ctx, mode, start, count); |
| } |
| |
| |
| /** |
| * Called from glDrawArraysInstancedBaseInstance when in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawArraysInstancedBaseInstance(GLenum mode, GLint first, GLsizei count, |
| GLsizei numInstances, GLuint baseInstance) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawArraysInstancedBaseInstance(%s, %d, %d, %d, %d)\n", |
| _mesa_enum_to_string(mode), first, count, |
| numInstances, baseInstance); |
| |
| if (!_mesa_validate_DrawArraysInstanced(ctx, mode, first, count, |
| numInstances)) |
| return; |
| |
| if (0) |
| check_draw_arrays_data(ctx, first, count); |
| |
| vbo_draw_arrays(ctx, mode, first, count, numInstances, baseInstance); |
| |
| if (0) |
| print_draw_arrays(ctx, mode, first, count); |
| } |
| |
| |
| |
| /** |
| * Map GL_ELEMENT_ARRAY_BUFFER and print contents. |
| * For debugging. |
| */ |
| #if 0 |
| static void |
| dump_element_buffer(struct gl_context *ctx, GLenum type) |
| { |
| const GLvoid *map = |
| ctx->Driver.MapBufferRange(ctx, 0, |
| ctx->Array.VAO->IndexBufferObj->Size, |
| GL_MAP_READ_BIT, |
| ctx->Array.VAO->IndexBufferObj, |
| MAP_INTERNAL); |
| switch (type) { |
| case GL_UNSIGNED_BYTE: |
| { |
| const GLubyte *us = (const GLubyte *) map; |
| GLint i; |
| for (i = 0; i < ctx->Array.VAO->IndexBufferObj->Size; i++) { |
| printf("%02x ", us[i]); |
| if (i % 32 == 31) |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| break; |
| case GL_UNSIGNED_SHORT: |
| { |
| const GLushort *us = (const GLushort *) map; |
| GLint i; |
| for (i = 0; i < ctx->Array.VAO->IndexBufferObj->Size / 2; i++) { |
| printf("%04x ", us[i]); |
| if (i % 16 == 15) |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| break; |
| case GL_UNSIGNED_INT: |
| { |
| const GLuint *us = (const GLuint *) map; |
| GLint i; |
| for (i = 0; i < ctx->Array.VAO->IndexBufferObj->Size / 4; i++) { |
| printf("%08x ", us[i]); |
| if (i % 8 == 7) |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| break; |
| default: |
| ; |
| } |
| |
| ctx->Driver.UnmapBuffer(ctx, ctx->Array.VAO->IndexBufferObj, |
| MAP_INTERNAL); |
| } |
| #endif |
| |
| |
| /** |
| * Inner support for both _mesa_DrawElements and _mesa_DrawRangeElements. |
| * Do the rendering for a glDrawElements or glDrawRangeElements call after |
| * we've validated buffer bounds, etc. |
| */ |
| static void |
| vbo_validated_drawrangeelements(struct gl_context *ctx, GLenum mode, |
| GLboolean index_bounds_valid, |
| GLuint start, GLuint end, |
| GLsizei count, GLenum type, |
| const GLvoid *indices, |
| GLint basevertex, GLuint numInstances, |
| GLuint baseInstance) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_index_buffer ib; |
| struct _mesa_prim prim[1]; |
| |
| vbo_bind_arrays(ctx); |
| |
| ib.count = count; |
| ib.type = type; |
| ib.obj = ctx->Array.VAO->IndexBufferObj; |
| ib.ptr = indices; |
| |
| prim[0].begin = 1; |
| prim[0].end = 1; |
| prim[0].weak = 0; |
| prim[0].pad = 0; |
| prim[0].mode = mode; |
| prim[0].start = 0; |
| prim[0].count = count; |
| prim[0].indexed = 1; |
| prim[0].is_indirect = 0; |
| prim[0].basevertex = basevertex; |
| prim[0].num_instances = numInstances; |
| prim[0].base_instance = baseInstance; |
| |
| /* Need to give special consideration to rendering a range of |
| * indices starting somewhere above zero. Typically the |
| * application is issuing multiple DrawRangeElements() to draw |
| * successive primitives layed out linearly in the vertex arrays. |
| * Unless the vertex arrays are all in a VBO (or locked as with |
| * CVA), the OpenGL semantics imply that we need to re-read or |
| * re-upload the vertex data on each draw call. |
| * |
| * In the case of hardware tnl, we want to avoid starting the |
| * upload at zero, as it will mean every draw call uploads an |
| * increasing amount of not-used vertex data. Worse - in the |
| * software tnl module, all those vertices might be transformed and |
| * lit but never rendered. |
| * |
| * If we just upload or transform the vertices in start..end, |
| * however, the indices will be incorrect. |
| * |
| * At this level, we don't know exactly what the requirements of |
| * the backend are going to be, though it will likely boil down to |
| * either: |
| * |
| * 1) Do nothing, everything is in a VBO and is processed once |
| * only. |
| * |
| * 2) Adjust the indices and vertex arrays so that start becomes |
| * zero. |
| * |
| * Rather than doing anything here, I'll provide a helper function |
| * for the latter case elsewhere. |
| */ |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, 1, &ib, |
| index_bounds_valid, start, end, NULL, 0, NULL); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { |
| _mesa_flush(ctx); |
| } |
| } |
| |
| |
| /** |
| * Called by glDrawRangeElementsBaseVertex() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawRangeElementsBaseVertex(GLenum mode, |
| GLuint start, GLuint end, |
| GLsizei count, GLenum type, |
| const GLvoid *indices, |
| GLint basevertex) |
| { |
| static GLuint warnCount = 0; |
| GLboolean index_bounds_valid = GL_TRUE; |
| |
| /* This is only useful to catch invalid values in the "end" parameter |
| * like ~0. |
| */ |
| GLuint max_element = 2 * 1000 * 1000 * 1000; /* just a big number */ |
| |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, |
| "glDrawRangeElementsBaseVertex(%s, %u, %u, %d, %s, %p, %d)\n", |
| _mesa_enum_to_string(mode), start, end, count, |
| _mesa_enum_to_string(type), indices, basevertex); |
| |
| if (!_mesa_validate_DrawRangeElements(ctx, mode, start, end, count, |
| type, indices)) |
| return; |
| |
| if ((int) end + basevertex < 0 || |
| start + basevertex >= max_element) { |
| /* The application requested we draw using a range of indices that's |
| * outside the bounds of the current VBO. This is invalid and appears |
| * to give undefined results. The safest thing to do is to simply |
| * ignore the range, in case the application botched their range tracking |
| * but did provide valid indices. Also issue a warning indicating that |
| * the application is broken. |
| */ |
| if (warnCount++ < 10) { |
| _mesa_warning(ctx, "glDrawRangeElements(start %u, end %u, " |
| "basevertex %d, count %d, type 0x%x, indices=%p):\n" |
| "\trange is outside VBO bounds (max=%u); ignoring.\n" |
| "\tThis should be fixed in the application.", |
| start, end, basevertex, count, type, indices, |
| max_element - 1); |
| } |
| index_bounds_valid = GL_FALSE; |
| } |
| |
| /* NOTE: It's important that 'end' is a reasonable value. |
| * in _tnl_draw_prims(), we use end to determine how many vertices |
| * to transform. If it's too large, we can unnecessarily split prims |
| * or we can read/write out of memory in several different places! |
| */ |
| |
| /* Catch/fix some potential user errors */ |
| if (type == GL_UNSIGNED_BYTE) { |
| start = MIN2(start, 0xff); |
| end = MIN2(end, 0xff); |
| } |
| else if (type == GL_UNSIGNED_SHORT) { |
| start = MIN2(start, 0xffff); |
| end = MIN2(end, 0xffff); |
| } |
| |
| if (0) { |
| printf("glDraw[Range]Elements{,BaseVertex}" |
| "(start %u, end %u, type 0x%x, count %d) ElemBuf %u, " |
| "base %d\n", |
| start, end, type, count, |
| ctx->Array.VAO->IndexBufferObj->Name, |
| basevertex); |
| } |
| |
| if ((int) start + basevertex < 0 || |
| end + basevertex >= max_element) |
| index_bounds_valid = GL_FALSE; |
| |
| #if 0 |
| check_draw_elements_data(ctx, count, type, indices); |
| #else |
| (void) check_draw_elements_data; |
| #endif |
| |
| vbo_validated_drawrangeelements(ctx, mode, index_bounds_valid, start, end, |
| count, type, indices, basevertex, 1, 0); |
| } |
| |
| |
| /** |
| * Called by glDrawRangeElements() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawRangeElements(GLenum mode, GLuint start, GLuint end, |
| GLsizei count, GLenum type, const GLvoid *indices) |
| { |
| if (MESA_VERBOSE & VERBOSE_DRAW) { |
| GET_CURRENT_CONTEXT(ctx); |
| _mesa_debug(ctx, |
| "glDrawRangeElements(%s, %u, %u, %d, %s, %p)\n", |
| _mesa_enum_to_string(mode), start, end, count, |
| _mesa_enum_to_string(type), indices); |
| } |
| |
| vbo_exec_DrawRangeElementsBaseVertex(mode, start, end, count, type, |
| indices, 0); |
| } |
| |
| |
| /** |
| * Called by glDrawElements() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawElements(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElements(%s, %u, %s, %p)\n", |
| _mesa_enum_to_string(mode), count, |
| _mesa_enum_to_string(type), indices); |
| |
| if (!_mesa_validate_DrawElements(ctx, mode, count, type, indices)) |
| return; |
| |
| vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0, |
| count, type, indices, 0, 1, 0); |
| } |
| |
| |
| /** |
| * Called by glDrawElementsBaseVertex() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices, GLint basevertex) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElementsBaseVertex(%s, %d, %s, %p, %d)\n", |
| _mesa_enum_to_string(mode), count, |
| _mesa_enum_to_string(type), indices, basevertex); |
| |
| if (!_mesa_validate_DrawElements(ctx, mode, count, type, indices)) |
| return; |
| |
| vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0, |
| count, type, indices, basevertex, 1, 0); |
| } |
| |
| |
| /** |
| * Called by glDrawElementsInstanced() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices, GLsizei numInstances) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElementsInstanced(%s, %d, %s, %p, %d)\n", |
| _mesa_enum_to_string(mode), count, |
| _mesa_enum_to_string(type), indices, numInstances); |
| |
| if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices, |
| numInstances)) |
| return; |
| |
| vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0, |
| count, type, indices, 0, numInstances, 0); |
| } |
| |
| |
| /** |
| * Called by glDrawElementsInstancedBaseVertex() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices, GLsizei numInstances, |
| GLint basevertex) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElementsInstancedBaseVertex(%s, %d, %s, %p, %d; %d)\n", |
| _mesa_enum_to_string(mode), count, |
| _mesa_enum_to_string(type), indices, |
| numInstances, basevertex); |
| |
| if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices, |
| numInstances)) |
| return; |
| |
| vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0, |
| count, type, indices, basevertex, numInstances, 0); |
| } |
| |
| |
| /** |
| * Called by glDrawElementsInstancedBaseInstance() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices, GLsizei numInstances, |
| GLuint baseInstance) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElementsInstancedBaseInstance(%s, %d, %s, %p, %d, %d)\n", |
| _mesa_enum_to_string(mode), count, |
| _mesa_enum_to_string(type), indices, |
| numInstances, baseInstance); |
| |
| if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices, |
| numInstances)) |
| return; |
| |
| vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0, |
| count, type, indices, 0, numInstances, |
| baseInstance); |
| } |
| |
| |
| /** |
| * Called by glDrawElementsInstancedBaseVertexBaseInstance() in immediate mode. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawElementsInstancedBaseVertexBaseInstance(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices, GLsizei numInstances, |
| GLint basevertex, GLuint baseInstance) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElementsInstancedBaseVertexBaseInstance(%s, %d, %s, %p, %d, %d, %d)\n", |
| _mesa_enum_to_string(mode), count, |
| _mesa_enum_to_string(type), indices, |
| numInstances, basevertex, baseInstance); |
| |
| if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices, |
| numInstances)) |
| return; |
| |
| vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0, |
| count, type, indices, basevertex, numInstances, |
| baseInstance); |
| } |
| |
| |
| /** |
| * Inner support for both _mesa_MultiDrawElements() and |
| * _mesa_MultiDrawRangeElements(). |
| * This does the actual rendering after we've checked array indexes, etc. |
| */ |
| static void |
| vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode, |
| const GLsizei *count, GLenum type, |
| const GLvoid * const *indices, |
| GLsizei primcount, |
| const GLint *basevertex) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_index_buffer ib; |
| struct _mesa_prim *prim; |
| unsigned int index_type_size = vbo_sizeof_ib_type(type); |
| uintptr_t min_index_ptr, max_index_ptr; |
| GLboolean fallback = GL_FALSE; |
| int i; |
| |
| if (primcount == 0) |
| return; |
| |
| prim = calloc(primcount, sizeof(*prim)); |
| if (prim == NULL) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMultiDrawElements"); |
| return; |
| } |
| |
| vbo_bind_arrays(ctx); |
| |
| min_index_ptr = (uintptr_t)indices[0]; |
| max_index_ptr = 0; |
| for (i = 0; i < primcount; i++) { |
| min_index_ptr = MIN2(min_index_ptr, (uintptr_t)indices[i]); |
| max_index_ptr = MAX2(max_index_ptr, (uintptr_t)indices[i] + |
| index_type_size * count[i]); |
| } |
| |
| /* Check if we can handle this thing as a bunch of index offsets from the |
| * same index pointer. If we can't, then we have to fall back to doing |
| * a draw_prims per primitive. |
| * Check that the difference between each prim's indexes is a multiple of |
| * the index/element size. |
| */ |
| if (index_type_size != 1) { |
| for (i = 0; i < primcount; i++) { |
| if ((((uintptr_t)indices[i] - min_index_ptr) % index_type_size) != 0) { |
| fallback = GL_TRUE; |
| break; |
| } |
| } |
| } |
| |
| /* Draw primitives individually if one count is zero, so we can easily skip |
| * that primitive. |
| */ |
| for (i = 0; i < primcount; i++) { |
| if (count[i] == 0) { |
| fallback = GL_TRUE; |
| break; |
| } |
| } |
| |
| /* If the index buffer isn't in a VBO, then treating the application's |
| * subranges of the index buffer as one large index buffer may lead to |
| * us reading unmapped memory. |
| */ |
| if (!_mesa_is_bufferobj(ctx->Array.VAO->IndexBufferObj)) |
| fallback = GL_TRUE; |
| |
| if (!fallback) { |
| ib.count = (max_index_ptr - min_index_ptr) / index_type_size; |
| ib.type = type; |
| ib.obj = ctx->Array.VAO->IndexBufferObj; |
| ib.ptr = (void *)min_index_ptr; |
| |
| for (i = 0; i < primcount; i++) { |
| prim[i].begin = (i == 0); |
| prim[i].end = (i == primcount - 1); |
| prim[i].weak = 0; |
| prim[i].pad = 0; |
| prim[i].mode = mode; |
| prim[i].start = ((uintptr_t)indices[i] - min_index_ptr) / index_type_size; |
| prim[i].count = count[i]; |
| prim[i].indexed = 1; |
| prim[i].num_instances = 1; |
| prim[i].base_instance = 0; |
| prim[i].is_indirect = 0; |
| if (basevertex != NULL) |
| prim[i].basevertex = basevertex[i]; |
| else |
| prim[i].basevertex = 0; |
| } |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, primcount, &ib, |
| false, ~0, ~0, NULL, 0, NULL); |
| } else { |
| /* render one prim at a time */ |
| for (i = 0; i < primcount; i++) { |
| if (count[i] == 0) |
| continue; |
| ib.count = count[i]; |
| ib.type = type; |
| ib.obj = ctx->Array.VAO->IndexBufferObj; |
| ib.ptr = indices[i]; |
| |
| prim[0].begin = 1; |
| prim[0].end = 1; |
| prim[0].weak = 0; |
| prim[0].pad = 0; |
| prim[0].mode = mode; |
| prim[0].start = 0; |
| prim[0].count = count[i]; |
| prim[0].indexed = 1; |
| prim[0].num_instances = 1; |
| prim[0].base_instance = 0; |
| prim[0].is_indirect = 0; |
| if (basevertex != NULL) |
| prim[0].basevertex = basevertex[i]; |
| else |
| prim[0].basevertex = 0; |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, 1, &ib, |
| false, ~0, ~0, NULL, 0, NULL); |
| } |
| } |
| |
| free(prim); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { |
| _mesa_flush(ctx); |
| } |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_MultiDrawElements(GLenum mode, |
| const GLsizei *count, GLenum type, |
| const GLvoid * const *indices, |
| GLsizei primcount) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!_mesa_validate_MultiDrawElements(ctx, mode, count, type, indices, |
| primcount)) |
| return; |
| |
| vbo_validated_multidrawelements(ctx, mode, count, type, indices, primcount, |
| NULL); |
| } |
| |
| |
| static void GLAPIENTRY |
| vbo_exec_MultiDrawElementsBaseVertex(GLenum mode, |
| const GLsizei *count, GLenum type, |
| const GLvoid * const *indices, |
| GLsizei primcount, |
| const GLsizei *basevertex) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (!_mesa_validate_MultiDrawElements(ctx, mode, count, type, indices, |
| primcount)) |
| return; |
| |
| vbo_validated_multidrawelements(ctx, mode, count, type, indices, primcount, |
| basevertex); |
| } |
| |
| static void |
| vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode, |
| struct gl_transform_feedback_object *obj, |
| GLuint stream, GLuint numInstances) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_prim prim[2]; |
| |
| if (!_mesa_validate_DrawTransformFeedback(ctx, mode, obj, stream, |
| numInstances)) { |
| return; |
| } |
| |
| if (ctx->Driver.GetTransformFeedbackVertexCount && |
| (ctx->Const.AlwaysUseGetTransformFeedbackVertexCount || |
| !vbo_all_varyings_in_vbos(exec->array.inputs))) { |
| GLsizei n = ctx->Driver.GetTransformFeedbackVertexCount(ctx, obj, stream); |
| vbo_draw_arrays(ctx, mode, 0, n, numInstances, 0); |
| return; |
| } |
| |
| vbo_bind_arrays(ctx); |
| |
| /* init most fields to zero */ |
| memset(prim, 0, sizeof(prim)); |
| prim[0].begin = 1; |
| prim[0].end = 1; |
| prim[0].mode = mode; |
| prim[0].num_instances = numInstances; |
| prim[0].base_instance = 0; |
| prim[0].is_indirect = 0; |
| |
| /* Maybe we should do some primitive splitting for primitive restart |
| * (like in DrawArrays), but we have no way to know how many vertices |
| * will be rendered. */ |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, 1, NULL, |
| GL_TRUE, 0, 0, obj, stream, NULL); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { |
| _mesa_flush(ctx); |
| } |
| } |
| |
| /** |
| * Like DrawArrays, but take the count from a transform feedback object. |
| * \param mode GL_POINTS, GL_LINES, GL_TRIANGLE_STRIP, etc. |
| * \param name the transform feedback object |
| * User still has to setup of the vertex attribute info with |
| * glVertexPointer, glColorPointer, etc. |
| * Part of GL_ARB_transform_feedback2. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawTransformFeedback(GLenum mode, GLuint name) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_transform_feedback_object *obj = |
| _mesa_lookup_transform_feedback_object(ctx, name); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawTransformFeedback(%s, %d)\n", |
| _mesa_enum_to_string(mode), name); |
| |
| vbo_draw_transform_feedback(ctx, mode, obj, 0, 1); |
| } |
| |
| static void GLAPIENTRY |
| vbo_exec_DrawTransformFeedbackStream(GLenum mode, GLuint name, GLuint stream) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_transform_feedback_object *obj = |
| _mesa_lookup_transform_feedback_object(ctx, name); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawTransformFeedbackStream(%s, %u, %u)\n", |
| _mesa_enum_to_string(mode), name, stream); |
| |
| vbo_draw_transform_feedback(ctx, mode, obj, stream, 1); |
| } |
| |
| static void GLAPIENTRY |
| vbo_exec_DrawTransformFeedbackInstanced(GLenum mode, GLuint name, |
| GLsizei primcount) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_transform_feedback_object *obj = |
| _mesa_lookup_transform_feedback_object(ctx, name); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawTransformFeedbackInstanced(%s, %d)\n", |
| _mesa_enum_to_string(mode), name); |
| |
| vbo_draw_transform_feedback(ctx, mode, obj, 0, primcount); |
| } |
| |
| static void GLAPIENTRY |
| vbo_exec_DrawTransformFeedbackStreamInstanced(GLenum mode, GLuint name, |
| GLuint stream, GLsizei primcount) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| struct gl_transform_feedback_object *obj = |
| _mesa_lookup_transform_feedback_object(ctx, name); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawTransformFeedbackStreamInstanced" |
| "(%s, %u, %u, %i)\n", |
| _mesa_enum_to_string(mode), name, stream, primcount); |
| |
| vbo_draw_transform_feedback(ctx, mode, obj, stream, primcount); |
| } |
| |
| static void |
| vbo_validated_drawarraysindirect(struct gl_context *ctx, |
| GLenum mode, const GLvoid *indirect) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_prim prim[1]; |
| |
| vbo_bind_arrays(ctx); |
| |
| memset(prim, 0, sizeof(prim)); |
| prim[0].begin = 1; |
| prim[0].end = 1; |
| prim[0].mode = mode; |
| prim[0].is_indirect = 1; |
| prim[0].indirect_offset = (GLsizeiptr)indirect; |
| |
| /* NOTE: We do NOT want to handle primitive restart here, nor perform any |
| * other checks that require knowledge of the values in the command buffer. |
| * That would defeat the whole purpose of this function. |
| */ |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, 1, |
| NULL, GL_TRUE, 0, ~0, |
| NULL, 0, |
| ctx->DrawIndirectBuffer); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) |
| _mesa_flush(ctx); |
| } |
| |
| static void |
| vbo_validated_multidrawarraysindirect(struct gl_context *ctx, |
| GLenum mode, |
| const GLvoid *indirect, |
| GLsizei primcount, GLsizei stride) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_prim *prim; |
| GLsizei i; |
| GLsizeiptr offset = (GLsizeiptr)indirect; |
| |
| if (primcount == 0) |
| return; |
| prim = calloc(primcount, sizeof(*prim)); |
| if (prim == NULL) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMultiDrawArraysIndirect"); |
| return; |
| } |
| |
| vbo_bind_arrays(ctx); |
| |
| prim[0].begin = 1; |
| prim[primcount - 1].end = 1; |
| for (i = 0; i < primcount; ++i, offset += stride) { |
| prim[i].mode = mode; |
| prim[i].indirect_offset = offset; |
| prim[i].is_indirect = 1; |
| } |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, primcount, |
| NULL, GL_TRUE, 0, ~0, |
| NULL, 0, |
| ctx->DrawIndirectBuffer); |
| |
| free(prim); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) |
| _mesa_flush(ctx); |
| } |
| |
| static void |
| vbo_validated_drawelementsindirect(struct gl_context *ctx, |
| GLenum mode, GLenum type, |
| const GLvoid *indirect) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_index_buffer ib; |
| struct _mesa_prim prim[1]; |
| |
| vbo_bind_arrays(ctx); |
| |
| ib.count = 0; /* unknown */ |
| ib.type = type; |
| ib.obj = ctx->Array.VAO->IndexBufferObj; |
| ib.ptr = NULL; |
| |
| memset(prim, 0, sizeof(prim)); |
| prim[0].begin = 1; |
| prim[0].end = 1; |
| prim[0].mode = mode; |
| prim[0].indexed = 1; |
| prim[0].indirect_offset = (GLsizeiptr)indirect; |
| prim[0].is_indirect = 1; |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, 1, |
| &ib, GL_TRUE, 0, ~0, |
| NULL, 0, |
| ctx->DrawIndirectBuffer); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) |
| _mesa_flush(ctx); |
| } |
| |
| static void |
| vbo_validated_multidrawelementsindirect(struct gl_context *ctx, |
| GLenum mode, GLenum type, |
| const GLvoid *indirect, |
| GLsizei primcount, GLsizei stride) |
| { |
| struct vbo_context *vbo = vbo_context(ctx); |
| struct vbo_exec_context *exec = &vbo->exec; |
| struct _mesa_index_buffer ib; |
| struct _mesa_prim *prim; |
| GLsizei i; |
| GLsizeiptr offset = (GLsizeiptr)indirect; |
| |
| if (primcount == 0) |
| return; |
| prim = calloc(primcount, sizeof(*prim)); |
| if (prim == NULL) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "glMultiDrawElementsIndirect"); |
| return; |
| } |
| |
| vbo_bind_arrays(ctx); |
| |
| /* NOTE: IndexBufferObj is guaranteed to be a VBO. */ |
| |
| ib.count = 0; /* unknown */ |
| ib.type = type; |
| ib.obj = ctx->Array.VAO->IndexBufferObj; |
| ib.ptr = NULL; |
| |
| prim[0].begin = 1; |
| prim[primcount - 1].end = 1; |
| for (i = 0; i < primcount; ++i, offset += stride) { |
| prim[i].mode = mode; |
| prim[i].indexed = 1; |
| prim[i].indirect_offset = offset; |
| prim[i].is_indirect = 1; |
| } |
| |
| check_buffers_are_unmapped(exec->array.inputs); |
| vbo->draw_prims(ctx, prim, primcount, |
| &ib, GL_TRUE, 0, ~0, |
| NULL, 0, |
| ctx->DrawIndirectBuffer); |
| |
| free(prim); |
| |
| if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) |
| _mesa_flush(ctx); |
| } |
| |
| /** |
| * Like [Multi]DrawArrays/Elements, but they take most arguments from |
| * a buffer object. |
| */ |
| static void GLAPIENTRY |
| vbo_exec_DrawArraysIndirect(GLenum mode, const GLvoid *indirect) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawArraysIndirect(%s, %p)\n", |
| _mesa_enum_to_string(mode), indirect); |
| |
| if (!_mesa_validate_DrawArraysIndirect(ctx, mode, indirect)) |
| return; |
| |
| vbo_validated_drawarraysindirect(ctx, mode, indirect); |
| } |
| |
| static void GLAPIENTRY |
| vbo_exec_DrawElementsIndirect(GLenum mode, GLenum type, |
| const GLvoid *indirect) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glDrawElementsIndirect(%s, %s, %p)\n", |
| _mesa_enum_to_string(mode), |
| _mesa_enum_to_string(type), indirect); |
| |
| if (!_mesa_validate_DrawElementsIndirect(ctx, mode, type, indirect)) |
| return; |
| |
| vbo_validated_drawelementsindirect(ctx, mode, type, indirect); |
| } |
| |
| static void GLAPIENTRY |
| vbo_exec_MultiDrawArraysIndirect(GLenum mode, |
| const GLvoid *indirect, |
| GLsizei primcount, GLsizei stride) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glMultiDrawArraysIndirect(%s, %p, %i, %i)\n", |
| _mesa_enum_to_string(mode), indirect, primcount, stride); |
| |
| /* If <stride> is zero, the array elements are treated as tightly packed. */ |
| if (stride == 0) |
| stride = 4 * sizeof(GLuint); /* sizeof(DrawArraysIndirectCommand) */ |
| |
| if (!_mesa_validate_MultiDrawArraysIndirect(ctx, mode, |
| indirect, |
| primcount, stride)) |
| return; |
| |
| vbo_validated_multidrawarraysindirect(ctx, mode, |
| indirect, |
| primcount, stride); |
| } |
| |
| static void GLAPIENTRY |
| vbo_exec_MultiDrawElementsIndirect(GLenum mode, GLenum type, |
| const GLvoid *indirect, |
| GLsizei primcount, GLsizei stride) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (MESA_VERBOSE & VERBOSE_DRAW) |
| _mesa_debug(ctx, "glMultiDrawElementsIndirect(%s, %s, %p, %i, %i)\n", |
| _mesa_enum_to_string(mode), |
| _mesa_enum_to_string(type), indirect, primcount, stride); |
| |
| /* If <stride> is zero, the array elements are treated as tightly packed. */ |
| if (stride == 0) |
| stride = 5 * sizeof(GLuint); /* sizeof(DrawElementsIndirectCommand) */ |
| |
| if (!_mesa_validate_MultiDrawElementsIndirect(ctx, mode, type, |
| indirect, |
| primcount, stride)) |
| return; |
| |
| vbo_validated_multidrawelementsindirect(ctx, mode, type, |
| indirect, |
| primcount, stride); |
| } |
| |
| /** |
| * Initialize the dispatch table with the VBO functions for drawing. |
| */ |
| void |
| vbo_initialize_exec_dispatch(const struct gl_context *ctx, |
| struct _glapi_table *exec) |
| { |
| SET_DrawArrays(exec, vbo_exec_DrawArrays); |
| SET_DrawElements(exec, vbo_exec_DrawElements); |
| |
| if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) { |
| SET_DrawRangeElements(exec, vbo_exec_DrawRangeElements); |
| } |
| |
| SET_MultiDrawElementsEXT(exec, vbo_exec_MultiDrawElements); |
| |
| if (ctx->API == API_OPENGL_COMPAT) { |
| SET_Rectf(exec, vbo_exec_Rectf); |
| SET_EvalMesh1(exec, vbo_exec_EvalMesh1); |
| SET_EvalMesh2(exec, vbo_exec_EvalMesh2); |
| } |
| |
| if (ctx->API != API_OPENGLES && |
| ctx->Extensions.ARB_draw_elements_base_vertex) { |
| SET_DrawElementsBaseVertex(exec, vbo_exec_DrawElementsBaseVertex); |
| SET_MultiDrawElementsBaseVertex(exec, vbo_exec_MultiDrawElementsBaseVertex); |
| |
| if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) { |
| SET_DrawRangeElementsBaseVertex(exec, vbo_exec_DrawRangeElementsBaseVertex); |
| SET_DrawElementsInstancedBaseVertex(exec, vbo_exec_DrawElementsInstancedBaseVertex); |
| } |
| } |
| |
| if (_mesa_is_desktop_gl(ctx)) { |
| SET_DrawArraysInstancedBaseInstance(exec, vbo_exec_DrawArraysInstancedBaseInstance); |
| SET_DrawElementsInstancedBaseInstance(exec, vbo_exec_DrawElementsInstancedBaseInstance); |
| SET_DrawElementsInstancedBaseVertexBaseInstance(exec, vbo_exec_DrawElementsInstancedBaseVertexBaseInstance); |
| } |
| |
| if (ctx->API == API_OPENGL_CORE || _mesa_is_gles31(ctx)) { |
| SET_DrawArraysIndirect(exec, vbo_exec_DrawArraysIndirect); |
| SET_DrawElementsIndirect(exec, vbo_exec_DrawElementsIndirect); |
| } |
| |
| if (ctx->API == API_OPENGL_CORE) { |
| SET_MultiDrawArraysIndirect(exec, vbo_exec_MultiDrawArraysIndirect); |
| SET_MultiDrawElementsIndirect(exec, vbo_exec_MultiDrawElementsIndirect); |
| } |
| |
| if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) { |
| SET_DrawArraysInstancedARB(exec, vbo_exec_DrawArraysInstanced); |
| SET_DrawElementsInstancedARB(exec, vbo_exec_DrawElementsInstanced); |
| } |
| |
| if (_mesa_is_desktop_gl(ctx)) { |
| SET_DrawTransformFeedback(exec, vbo_exec_DrawTransformFeedback); |
| SET_DrawTransformFeedbackStream(exec, vbo_exec_DrawTransformFeedbackStream); |
| SET_DrawTransformFeedbackInstanced(exec, vbo_exec_DrawTransformFeedbackInstanced); |
| SET_DrawTransformFeedbackStreamInstanced(exec, vbo_exec_DrawTransformFeedbackStreamInstanced); |
| } |
| } |
| |
| |
| |
| /** |
| * The following functions are only used for OpenGL ES 1/2 support. |
| * And some aren't even supported (yet) in ES 1/2. |
| */ |
| |
| |
| void GLAPIENTRY |
| _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count) |
| { |
| vbo_exec_DrawArrays(mode, first, count); |
| } |
| |
| void GLAPIENTRY |
| _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count, |
| GLsizei primcount) |
| { |
| vbo_exec_DrawArraysInstanced(mode, first, count, primcount); |
| } |
| |
| void GLAPIENTRY |
| _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices) |
| { |
| vbo_exec_DrawElements(mode, count, type, indices); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type, |
| const GLvoid *indices, GLint basevertex) |
| { |
| vbo_exec_DrawElementsBaseVertex(mode, count, type, indices, basevertex); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, |
| GLenum type, const GLvoid *indices) |
| { |
| vbo_exec_DrawRangeElements(mode, start, end, count, type, indices); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end, |
| GLsizei count, GLenum type, |
| const GLvoid *indices, GLint basevertex) |
| { |
| vbo_exec_DrawRangeElementsBaseVertex(mode, start, end, count, type, |
| indices, basevertex); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_MultiDrawElementsEXT(GLenum mode, const GLsizei *count, GLenum type, |
| const GLvoid **indices, GLsizei primcount) |
| { |
| vbo_exec_MultiDrawElements(mode, count, type, indices, primcount); |
| } |
| |
| |
| void GLAPIENTRY |
| _mesa_MultiDrawElementsBaseVertex(GLenum mode, |
| const GLsizei *count, GLenum type, |
| const GLvoid **indices, GLsizei primcount, |
| const GLint *basevertex) |
| { |
| vbo_exec_MultiDrawElementsBaseVertex(mode, count, type, indices, |
| primcount, basevertex); |
| } |
| |
| void GLAPIENTRY |
| _mesa_DrawTransformFeedback(GLenum mode, GLuint name) |
| { |
| vbo_exec_DrawTransformFeedback(mode, name); |
| } |