diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_exec_array.c')
| -rw-r--r-- | mesalib/src/mesa/vbo/vbo_exec_array.c | 268 |
1 files changed, 263 insertions, 5 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_exec_array.c b/mesalib/src/mesa/vbo/vbo_exec_array.c index d72382376..8152fa162 100644 --- a/mesalib/src/mesa/vbo/vbo_exec_array.c +++ b/mesalib/src/mesa/vbo/vbo_exec_array.c @@ -579,11 +579,11 @@ vbo_handle_primitive_restart(struct gl_context *ctx, ctx->Const.PrimitiveRestartInSoftware && ctx->Array._PrimitiveRestart) { /* Handle primitive restart in software */ - vbo_sw_primitive_restart(ctx, prim, nr_prims, ib); + vbo_sw_primitive_restart(ctx, prim, nr_prims, ib, NULL); } else { /* Call driver directly for draw_prims */ vbo->draw_prims(ctx, prim, nr_prims, ib, - index_bounds_valid, min_index, max_index, NULL); + index_bounds_valid, min_index, max_index, NULL, NULL); } } @@ -611,6 +611,7 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start, 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.RestartIndex < count) { @@ -648,7 +649,7 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start, /* 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); + GL_TRUE, start, start + count - 1, NULL, NULL); } } else { @@ -659,7 +660,7 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start, check_buffers_are_unmapped(exec->array.inputs); vbo->draw_prims(ctx, prim, 1, NULL, GL_TRUE, start, start + count - 1, - NULL); + NULL, NULL); } if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { @@ -965,6 +966,7 @@ vbo_validated_drawrangeelements(struct gl_context *ctx, GLenum 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; @@ -1368,6 +1370,7 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode, 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 @@ -1397,6 +1400,7 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode, 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 @@ -1483,6 +1487,7 @@ vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode, 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 @@ -1490,7 +1495,7 @@ vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode, check_buffers_are_unmapped(exec->array.inputs); vbo->draw_prims(ctx, prim, 1, NULL, - GL_TRUE, 0, 0, obj); + GL_TRUE, 0, 0, obj, NULL); if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { _mesa_flush(ctx); @@ -1564,6 +1569,252 @@ vbo_exec_DrawTransformFeedbackStreamInstanced(GLenum mode, GLuint name, 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, + 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, + 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.ArrayObj->ElementArrayBufferObj; + 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, + 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: ElementArrayBufferObj is guaranteed to be a VBO. */ + + ib.count = 0; /* unknown */ + ib.type = type; + ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj; + 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, + 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_lookup_enum_by_nr(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_lookup_enum_by_nr(mode), + _mesa_lookup_enum_by_nr(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_lookup_enum_by_nr(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_lookup_enum_by_nr(mode), + _mesa_lookup_enum_by_nr(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. @@ -1597,6 +1848,13 @@ vbo_initialize_exec_dispatch(const struct gl_context *ctx, SET_DrawElementsInstancedBaseVertexBaseInstance(exec, vbo_exec_DrawElementsInstancedBaseVertexBaseInstance); } + if (ctx->API == API_OPENGL_CORE) { + SET_DrawArraysIndirect(exec, vbo_exec_DrawArraysIndirect); + SET_DrawElementsIndirect(exec, vbo_exec_DrawElementsIndirect); + 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); |