* Keith Whitwell <keithw@vmware.com>
*/
-#include "main/mtypes.h"
+#include "c99_alloca.h"
+#include "main/errors.h"
#include "main/bufferobj.h"
#include "math/m_eval.h"
#include "main/vtxfmt.h"
* Helper for initializing a vertex array.
*/
static void
-init_array(struct gl_context *ctx, struct gl_vertex_array *array,
+init_array(struct gl_context *ctx, struct gl_array_attributes *attrib,
unsigned size, const void *pointer)
{
- memset(array, 0, sizeof(*array));
-
- array->Size = size;
- array->Type = GL_FLOAT;
- array->Format = GL_RGBA;
- array->StrideB = 0;
- array->_ElementSize = array->Size * sizeof(GLfloat);
- array->Ptr = pointer;
-
- _mesa_reference_buffer_object(ctx, &array->BufferObj,
- ctx->Shared->NullBufferObj);
+ memset(attrib, 0, sizeof(*attrib));
+
+ attrib->Size = size;
+ attrib->Type = GL_FLOAT;
+ attrib->Format = GL_RGBA;
+ attrib->Stride = 0;
+ attrib->_ElementSize = size * sizeof(GLfloat);
+ attrib->Ptr = pointer;
}
struct vbo_context *vbo = vbo_context(ctx);
GLuint i;
- /* Set up a constant (StrideB == 0) array for each current
+ /* Set up a constant (Stride == 0) array for each current
* attribute:
*/
for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) {
- struct gl_vertex_array *array = &vbo->currval[VERT_ATTRIB_FF(i)];
+ const unsigned attr = VERT_ATTRIB_FF(i);
+ struct gl_array_attributes *attrib = &vbo->current[attr];
- init_array(ctx, array,
- check_size(ctx->Current.Attrib[i]),
- ctx->Current.Attrib[i]);
+ init_array(ctx, attrib, check_size(ctx->Current.Attrib[attr]),
+ ctx->Current.Attrib[attr]);
}
}
GLuint i;
for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) {
- struct gl_vertex_array *array = &vbo->currval[VBO_ATTRIB_GENERIC0 + i];
+ const unsigned attr = VBO_ATTRIB_GENERIC0 + i;
+ struct gl_array_attributes *attrib = &vbo->current[attr];
- init_array(ctx, array, 1, ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i]);
+ init_array(ctx, attrib, 1, ctx->Current.Attrib[attr]);
}
}
* attribute:
*/
for (i = 0; i < MAT_ATTRIB_MAX; i++) {
- struct gl_vertex_array *array =
- &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT + i];
+ const unsigned attr = VBO_ATTRIB_MAT_FRONT_AMBIENT + i;
+ struct gl_array_attributes *attrib = &vbo->current[attr];
unsigned size;
/* Size is fixed for the material attributes, for others will
break;
}
- init_array(ctx, array, size, ctx->Light.Material.Attrib[i]);
+ init_array(ctx, attrib, size, ctx->Light.Material.Attrib[i]);
}
}
-/**
- * Fallback for when a driver does not call vbo_set_indirect_draw_func().
- */
-static void
-vbo_draw_indirect_prims(struct gl_context *ctx,
- GLuint mode,
- struct gl_buffer_object *indirect_buffer,
- GLsizeiptr indirect_offset,
- unsigned draw_count,
- unsigned stride,
- struct gl_buffer_object *indirect_draw_count_buffer,
- GLsizeiptr indirect_draw_count_offset,
- const struct _mesa_index_buffer *ib)
-{
- struct vbo_context *vbo = vbo_context(ctx);
- struct _mesa_prim *prim;
- GLsizei i;
-
- prim = calloc(draw_count, sizeof(*prim));
- if (prim == NULL) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "gl%sDraw%sIndirect%s",
- (draw_count > 1) ? "Multi" : "",
- ib ? "Elements" : "Arrays",
- indirect_buffer ? "CountARB" : "");
- return;
- }
-
- prim[0].begin = 1;
- prim[draw_count - 1].end = 1;
- for (i = 0; i < draw_count; ++i, indirect_offset += stride) {
- prim[i].mode = mode;
- prim[i].indexed = !!ib;
- prim[i].indirect_offset = indirect_offset;
- prim[i].is_indirect = 1;
- prim[i].draw_id = i;
- }
-
- /* This should always be true at this time */
- assert(indirect_buffer == ctx->DrawIndirectBuffer);
-
- vbo->draw_prims(ctx, prim, draw_count,
- ib, false, 0, ~0,
- NULL, 0,
- indirect_buffer);
-
- free(prim);
-}
-
-
void
_vbo_install_exec_vtxfmt(struct gl_context *ctx)
{
struct vbo_exec_context *exec = &vbo->exec;
if (ctx->NewState & (_NEW_PROGRAM | _NEW_ARRAY)) {
- exec->array.recalculate_inputs = GL_TRUE;
-
_ae_invalidate_state(ctx);
}
- /* If _mesa_update_state is called in a non draw code path,
- * changes in the VAO need to be captured.
- */
- if (ctx->Array.VAO->NewArrays)
- exec->array.recalculate_inputs = GL_TRUE;
-
if (ctx->NewState & _NEW_EVAL)
exec->eval.recalculate_maps = GL_TRUE;
}
return GL_FALSE;
}
+ vbo->binding.Offset = 0;
+ vbo->binding.Stride = 0;
+ vbo->binding.InstanceDivisor = 0;
+ _mesa_reference_buffer_object(ctx, &vbo->binding.BufferObj,
+ ctx->Shared->NullBufferObj);
init_legacy_currval(ctx);
init_generic_currval(ctx);
init_mat_currval(ctx);
- _vbo_init_inputs(&vbo->draw_arrays);
- vbo_set_indirect_draw_func(ctx, vbo_draw_indirect_prims);
/* make sure all VBO_ATTRIB_ values can fit in an unsigned byte */
STATIC_ASSERT(VBO_ATTRIB_MAX <= 255);
vbo->VAO = _mesa_new_vao(ctx, ~((GLuint)0));
/* The exec VAO assumes to have all arributes bound to binding 0 */
for (unsigned i = 0; i < VERT_ATTRIB_MAX; ++i)
- _mesa_vertex_attrib_binding(ctx, vbo->VAO, i, 0, false);
+ _mesa_vertex_attrib_binding(ctx, vbo->VAO, i, 0);
_math_init_eval();
}
if (vbo) {
- GLuint i;
- for (i = 0; i < VBO_ATTRIB_MAX; i++) {
- _mesa_reference_buffer_object(ctx, &vbo->currval[i].BufferObj, NULL);
- }
+ _mesa_reference_buffer_object(ctx, &vbo->binding.BufferObj, NULL);
vbo_exec_destroy(ctx);
if (ctx->API == API_OPENGL_COMPAT)
}
-void
-vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func)
+const struct gl_array_attributes *
+_vbo_current_attrib(const struct gl_context *ctx, gl_vert_attrib attr)
{
- struct vbo_context *vbo = vbo_context(ctx);
- vbo->draw_prims = func;
+ const struct vbo_context *vbo = vbo_context_const(ctx);
+ const gl_vertex_processing_mode vmp = ctx->VertexProgram._VPMode;
+ return &vbo->current[_vbo_attribute_alias_map[vmp][attr]];
+}
+
+
+const struct gl_vertex_buffer_binding *
+_vbo_current_binding(const struct gl_context *ctx)
+{
+ const struct vbo_context *vbo = vbo_context_const(ctx);
+ return &vbo->binding;
}
+/*
+ * Helper function for _vbo_draw_indirect below that additionally takes a zero
+ * initialized array of _mesa_prim scratch space memory as the last argument.
+ */
+static void
+draw_indirect(struct gl_context *ctx, GLuint mode,
+ struct gl_buffer_object *indirect_data,
+ GLsizeiptr indirect_offset, unsigned draw_count,
+ unsigned stride,
+ struct gl_buffer_object *indirect_draw_count_buffer,
+ GLsizeiptr indirect_draw_count_offset,
+ const struct _mesa_index_buffer *ib,
+ struct _mesa_prim *prim)
+{
+ prim[0].begin = 1;
+ prim[draw_count - 1].end = 1;
+ for (unsigned i = 0; i < draw_count; ++i, indirect_offset += stride) {
+ prim[i].mode = mode;
+ prim[i].indexed = !!ib;
+ prim[i].indirect_offset = indirect_offset;
+ prim[i].is_indirect = 1;
+ prim[i].draw_id = i;
+ }
+
+ /* This should always be true at this time */
+ assert(indirect_data == ctx->DrawIndirectBuffer);
+
+ ctx->Driver.Draw(ctx, prim, draw_count, ib, false, 0u, ~0u,
+ NULL, 0, indirect_data);
+}
+
+
+/*
+ * Function to be put into dd_function_table::DrawIndirect as fallback.
+ * Calls into dd_function_table::Draw past adapting call arguments.
+ * See dd_function_table::DrawIndirect for call argument documentation.
+ */
void
-vbo_set_indirect_draw_func(struct gl_context *ctx,
- vbo_indirect_draw_func func)
+_vbo_draw_indirect(struct gl_context *ctx, GLuint mode,
+ struct gl_buffer_object *indirect_data,
+ GLsizeiptr indirect_offset, unsigned draw_count,
+ unsigned stride,
+ struct gl_buffer_object *indirect_draw_count_buffer,
+ GLsizeiptr indirect_draw_count_offset,
+ const struct _mesa_index_buffer *ib)
{
- struct vbo_context *vbo = vbo_context(ctx);
- vbo->draw_indirect_prims = func;
+ /* Use alloca for the prim space if we are somehow in bounds. */
+ if (draw_count*sizeof(struct _mesa_prim) < 1024) {
+ struct _mesa_prim *space = alloca(draw_count*sizeof(struct _mesa_prim));
+ memset(space, 0, draw_count*sizeof(struct _mesa_prim));
+
+ draw_indirect(ctx, mode, indirect_data, indirect_offset, draw_count,
+ stride, indirect_draw_count_buffer,
+ indirect_draw_count_offset, ib, space);
+ } else {
+ struct _mesa_prim *space = calloc(draw_count, sizeof(struct _mesa_prim));
+ if (space == NULL) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "gl%sDraw%sIndirect%s",
+ (draw_count > 1) ? "Multi" : "",
+ ib ? "Elements" : "Arrays",
+ indirect_data ? "CountARB" : "");
+ return;
+ }
+
+ draw_indirect(ctx, mode, indirect_data, indirect_offset, draw_count,
+ stride, indirect_draw_count_buffer,
+ indirect_draw_count_offset, ib, space);
+
+ free(space);
+ }
}
projects / mesa.git / blobdiff