#include "main/bufferobj.h"
#include "main/enums.h"
#include "main/macros.h"
+#include "main/transformfeedback.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_bufferobj_mapped(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_bufferobj_mapped(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.
*/
-void
+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)
+ GLuint *min_index, GLuint *max_index,
+ const GLuint count)
{
+ const GLboolean restart = ctx->Array.PrimitiveRestart;
+ const GLuint restartIndex = ctx->Array.RestartIndex;
+ const int index_size = vbo_sizeof_ib_type(ib->type);
+ const char *indices;
GLuint i;
- GLuint count = prim->count;
- const void *indices;
+ indices = (char *) ib->ptr + prim->start * index_size;
if (_mesa_is_bufferobj(ib->obj)) {
- const GLvoid *map =
- ctx->Driver.MapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB,
- GL_READ_ONLY, ib->obj);
- indices = ADD_POINTERS(map, ib->ptr);
- } else {
- indices = ib->ptr;
+ GLsizeiptr size = MIN2(count * index_size, ib->obj->Size);
+ indices = ctx->Driver.MapBufferRange(ctx, (GLintptr) indices, size,
+ GL_MAP_READ_BIT, ib->obj);
}
switch (ib->type) {
case GL_UNSIGNED_INT: {
const GLuint *ui_indices = (const GLuint *)indices;
- GLuint max_ui = ui_indices[count-1];
- GLuint min_ui = ui_indices[0];
- 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];
+ 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 {
+ 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;
}
case GL_UNSIGNED_SHORT: {
const GLushort *us_indices = (const GLushort *)indices;
- GLuint max_us = us_indices[count-1];
- GLuint min_us = us_indices[0];
- 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];
+ 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;
}
case GL_UNSIGNED_BYTE: {
const GLubyte *ub_indices = (const GLubyte *)indices;
- GLuint max_ub = ub_indices[count-1];
- GLuint min_ub = ub_indices[0];
- 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];
+ 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;
}
if (_mesa_is_bufferobj(ib->obj)) {
- ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, ib->obj);
+ ctx->Driver.UnmapBuffer(ctx, ib->obj);
+ }
+}
+
+/**
+ * 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);
}
}
if (!array->BufferObj->Pointer) {
/* need to map now */
array->BufferObj->Pointer =
- ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER_ARB,
- GL_READ_ONLY, array->BufferObj);
+ ctx->Driver.MapBufferRange(ctx, 0, array->BufferObj->Size,
+ GL_MAP_READ_BIT, array->BufferObj);
}
data = ADD_POINTERS(data, array->BufferObj->Pointer);
}
if (array->Enabled &&
_mesa_is_bufferobj(array->BufferObj) &&
_mesa_bufferobj_mapped(array->BufferObj)) {
- ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, array->BufferObj);
+ ctx->Driver.UnmapBuffer(ctx, array->BufferObj);
}
}
const void *elemMap;
GLint i, k;
- if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj)) {
- elemMap = ctx->Driver.MapBuffer(ctx,
- GL_ELEMENT_ARRAY_BUFFER_ARB,
- GL_READ_ONLY,
- ctx->Array.ElementArrayBufferObj);
+ if (_mesa_is_bufferobj(ctx->Array.ArrayObj->ElementArrayBufferObj)) {
+ elemMap = ctx->Driver.MapBufferRange(ctx, 0,
+ ctx->Array.ArrayObj->ElementArrayBufferObj->Size,
+ GL_MAP_READ_BIT,
+ ctx->Array.ArrayObj->ElementArrayBufferObj);
elements = ADD_POINTERS(elements, elemMap);
}
}
/* check element j of each enabled array */
- check_array_data(ctx, &arrayObj->Vertex, VERT_ATTRIB_POS, j);
- check_array_data(ctx, &arrayObj->Normal, VERT_ATTRIB_NORMAL, j);
- check_array_data(ctx, &arrayObj->Color, VERT_ATTRIB_COLOR0, j);
- check_array_data(ctx, &arrayObj->SecondaryColor, VERT_ATTRIB_COLOR1, j);
- for (k = 0; k < Elements(arrayObj->TexCoord); k++) {
- check_array_data(ctx, &arrayObj->TexCoord[k], VERT_ATTRIB_TEX0 + k, j);
- }
for (k = 0; k < Elements(arrayObj->VertexAttrib); k++) {
- check_array_data(ctx, &arrayObj->VertexAttrib[k],
- VERT_ATTRIB_GENERIC0 + k, j);
+ check_array_data(ctx, &arrayObj->VertexAttrib[k], k, j);
}
}
- if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj)) {
- ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB,
- ctx->Array.ElementArrayBufferObj);
+ if (_mesa_is_bufferobj(arrayObj->ElementArrayBufferObj)) {
+ ctx->Driver.UnmapBuffer(ctx, ctx->Array.ArrayObj->ElementArrayBufferObj);
}
- unmap_array_buffer(ctx, &arrayObj->Vertex);
- unmap_array_buffer(ctx, &arrayObj->Normal);
- unmap_array_buffer(ctx, &arrayObj->Color);
- for (k = 0; k < Elements(arrayObj->TexCoord); k++) {
- unmap_array_buffer(ctx, &arrayObj->TexCoord[k]);
- }
for (k = 0; k < Elements(arrayObj->VertexAttrib); k++) {
unmap_array_buffer(ctx, &arrayObj->VertexAttrib[k]);
}
* Print info/data for glDrawArrays(), for debugging.
*/
static void
-print_draw_arrays(struct gl_context *ctx, struct vbo_exec_context *exec,
+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_array_object *arrayObj = ctx->Array.ArrayObj;
int i;
printf("vbo_exec_DrawArrays(mode 0x%x, start %d, count %d):\n",
mode, start, count);
for (i = 0; i < 32; i++) {
- GLuint bufName = exec->array.inputs[i]->BufferObj->Name;
+ 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",
exec->array.inputs[i]->Size,
stride,
/*exec->array.inputs[i]->Enabled,*/
- exec->array.legacy_array[i]->Enabled,
+ arrayObj->VertexAttrib[VERT_ATTRIB_FF(i)].Enabled,
exec->array.inputs[i]->Ptr,
bufName);
if (bufName) {
- struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, bufName);
- GLubyte *p = ctx->Driver.MapBuffer(ctx, GL_ARRAY_BUFFER_ARB,
- GL_READ_ONLY_ARB, buf);
+ GLubyte *p = ctx->Driver.MapBufferRange(ctx, 0, bufObj->Size,
+ GL_MAP_READ_BIT, bufObj);
int offset = (int) (GLintptr) exec->array.inputs[i]->Ptr;
float *f = (float *) (p + offset);
int *k = (int *) f;
for (i = 0; i < n; i++) {
printf(" float[%d] = 0x%08x %f\n", i, k[i], f[i]);
}
- ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, buf);
+ ctx->Driver.UnmapBuffer(ctx, bufObj);
}
}
}
-/**
- * Bind the VBO executor to the current vertex array object prior
- * to drawing.
- *
- * Just translate the arrayobj into a sane layout.
- */
-static void
-bind_array_obj(struct gl_context *ctx)
-{
- struct vbo_context *vbo = vbo_context(ctx);
- struct vbo_exec_context *exec = &vbo->exec;
- struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
- GLuint i;
-
- /* TODO: Fix the ArrayObj struct to keep legacy arrays in an array
- * rather than as individual named arrays. Then this function can
- * go away.
- */
- exec->array.legacy_array[VERT_ATTRIB_POS] = &arrayObj->Vertex;
- exec->array.legacy_array[VERT_ATTRIB_WEIGHT] = &arrayObj->Weight;
- exec->array.legacy_array[VERT_ATTRIB_NORMAL] = &arrayObj->Normal;
- exec->array.legacy_array[VERT_ATTRIB_COLOR0] = &arrayObj->Color;
- exec->array.legacy_array[VERT_ATTRIB_COLOR1] = &arrayObj->SecondaryColor;
- exec->array.legacy_array[VERT_ATTRIB_FOG] = &arrayObj->FogCoord;
- exec->array.legacy_array[VERT_ATTRIB_COLOR_INDEX] = &arrayObj->Index;
- if (arrayObj->PointSize.Enabled) {
- /* this aliases COLOR_INDEX */
- exec->array.legacy_array[VERT_ATTRIB_POINT_SIZE] = &arrayObj->PointSize;
- }
- exec->array.legacy_array[VERT_ATTRIB_EDGEFLAG] = &arrayObj->EdgeFlag;
-
- for (i = 0; i < Elements(arrayObj->TexCoord); i++)
- exec->array.legacy_array[VERT_ATTRIB_TEX0 + i] = &arrayObj->TexCoord[i];
-
- for (i = 0; i < Elements(arrayObj->VertexAttrib); i++) {
- assert(i < Elements(exec->array.generic_array));
- exec->array.generic_array[i] = &arrayObj->VertexAttrib[i];
- }
-
- exec->array.array_obj = arrayObj->Name;
-}
-
-
/**
* Set the vbo->exec->inputs[] pointers to point to the enabled
* vertex arrays. This depends on the current vertex program/shader
{
struct vbo_context *vbo = vbo_context(ctx);
struct vbo_exec_context *exec = &vbo->exec;
+ struct gl_client_array *vertexAttrib = ctx->Array.ArrayObj->VertexAttrib;
const struct gl_client_array **inputs = &exec->array.inputs[0];
- GLbitfield const_inputs = 0x0;
+ GLbitfield64 const_inputs = 0x0;
GLuint i;
- exec->array.program_mode = get_program_mode(ctx);
- exec->array.enabled_flags = ctx->Array.ArrayObj->_Enabled;
-
- switch (exec->array.program_mode) {
+ 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_TEX7; i++) {
- if (exec->array.legacy_array[i]->Enabled)
- inputs[i] = exec->array.legacy_array[i];
+ 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->legacy_currval[i];
- const_inputs |= 1 << i;
+ inputs[i] = &vbo->currval[VBO_ATTRIB_POS+i];
+ const_inputs |= VERT_BIT(i);
}
}
for (i = 0; i < MAT_ATTRIB_MAX; i++) {
- inputs[VERT_ATTRIB_GENERIC0 + i] = &vbo->mat_currval[i];
- const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + 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_MAX - VERT_ATTRIB_GENERIC0; i++) {
- inputs[VERT_ATTRIB_GENERIC0 + i] = &vbo->generic_currval[i];
- const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + i);
+ 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;
* conventional, legacy arrays. No materials, and the generic
* slots are vacant.
*/
- for (i = 0; i <= VERT_ATTRIB_TEX7; i++) {
- if (exec->array.generic_array[i]->Enabled)
- inputs[i] = exec->array.generic_array[i];
- else if (exec->array.legacy_array[i]->Enabled)
- inputs[i] = exec->array.legacy_array[i];
+ for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) {
+ if (i < VERT_ATTRIB_GENERIC_MAX
+ && vertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled)
+ inputs[i] = &vertexAttrib[VERT_ATTRIB_GENERIC(i)];
+ else if (vertexAttrib[VERT_ATTRIB_FF(i)].Enabled)
+ inputs[i] = &vertexAttrib[VERT_ATTRIB_FF(i)];
else {
- inputs[i] = &vbo->legacy_currval[i];
- const_inputs |= 1 << i;
+ inputs[i] = &vbo->currval[VBO_ATTRIB_POS+i];
+ const_inputs |= VERT_BIT_FF(i);
}
}
/* Could use just about anything, just to fill in the empty
* slots:
*/
- for (i = VERT_ATTRIB_GENERIC0; i < VERT_ATTRIB_MAX; i++) {
- inputs[i] = &vbo->generic_currval[i - VERT_ATTRIB_GENERIC0];
- const_inputs |= 1 << i;
+ for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) {
+ inputs[VERT_ATTRIB_GENERIC(i)] = &vbo->currval[VBO_ATTRIB_GENERIC0+i];
+ const_inputs |= VERT_BIT_GENERIC(i);
}
break;
* generic attributes in the generic slots and materials are not
* available as per-vertex attributes.
*/
- if (exec->array.generic_array[0]->Enabled)
- inputs[0] = exec->array.generic_array[0];
- else if (exec->array.legacy_array[0]->Enabled)
- inputs[0] = exec->array.legacy_array[0];
+ 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->legacy_currval[0];
- const_inputs |= 1 << 0;
+ inputs[0] = &vbo->currval[VBO_ATTRIB_POS];
+ const_inputs |= VERT_BIT_POS;
}
- for (i = 1; i <= VERT_ATTRIB_TEX7; i++) {
- if (exec->array.legacy_array[i]->Enabled)
- inputs[i] = exec->array.legacy_array[i];
+ 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->legacy_currval[i];
- const_inputs |= 1 << i;
+ inputs[i] = &vbo->currval[VBO_ATTRIB_POS+i];
+ const_inputs |= VERT_BIT_FF(i);
}
}
- for (i = 0; i < MAX_VERTEX_GENERIC_ATTRIBS; i++) {
- if (exec->array.generic_array[i]->Enabled)
- inputs[VERT_ATTRIB_GENERIC0 + i] = exec->array.generic_array[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_GENERIC0 + i] = &vbo->generic_currval[i];
- const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + i);
+ inputs[VERT_ATTRIB_GENERIC(i)] = &vbo->currval[VBO_ATTRIB_GENERIC0+i];
+ const_inputs |= VERT_BIT_GENERIC(i);
}
-
}
+
+ inputs[VERT_ATTRIB_GENERIC0] = inputs[0];
break;
}
- _mesa_set_varying_vp_inputs( ctx, ~const_inputs );
+ _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_ARRAY dirty flag so state validation
- * must be done after this call.
+ * 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);
+
+ /* 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) {
+ _mesa_update_state(ctx);
+ }
+
+ exec->array.recalculate_inputs = GL_FALSE;
+ }
+}
+
+
+/**
+ * Handle a draw case that potentially has primitive restart enabled.
+ *
+ * If primitive restart is enabled, and PrimitiveRestartInSoftware is
+ * set, then vbo_sw_primitive_restart is used to handle the primitive
+ * restart case in software.
+ */
+static void
+vbo_handle_primitive_restart(struct gl_context *ctx,
+ const struct _mesa_prim *prim,
+ GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLboolean index_bounds_valid,
+ GLuint min_index,
+ GLuint max_index)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+
+ if ((ib != NULL) &&
+ ctx->Const.PrimitiveRestartInSoftware &&
+ ctx->Array.PrimitiveRestart) {
+ /* Handle primitive restart in software */
+ vbo_sw_primitive_restart(ctx, prim, nr_prims, ib);
+ } else {
+ /* Call driver directly for draw_prims */
+ vbo->draw_prims(ctx, prim, nr_prims, ib,
+ index_bounds_valid, min_index, max_index, NULL);
+ }
+}
+
+
+/**
+ * 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
-bind_arrays(struct gl_context *ctx)
+vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start,
+ GLsizei count, GLuint numInstances, GLuint baseInstance)
{
- bind_array_obj(ctx);
- recalculate_input_bindings(ctx);
+ 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;
+
+ /* Implement the primitive restart index */
+ if (ctx->Array.PrimitiveRestart && 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);
+ }
+ }
+ 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);
+ }
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
+ _mesa_flush(ctx);
+ }
}
vbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
- struct vbo_context *vbo = vbo_context(ctx);
- struct vbo_exec_context *exec = &vbo->exec;
- struct _mesa_prim prim[1];
if (MESA_VERBOSE & VERBOSE_DRAW)
_mesa_debug(ctx, "glDrawArrays(%s, %d, %d)\n",
if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
return;
- FLUSH_CURRENT( ctx, 0 );
-
- if (!_mesa_valid_to_render(ctx, "glDrawArrays")) {
- return;
- }
-
-#if 0
- check_draw_arrays_data(ctx, start, count);
-#else
- (void) check_draw_arrays_data;
-#endif
-
- bind_arrays( ctx );
-
- /* 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)
- _mesa_update_state( ctx );
-
- prim[0].begin = 1;
- prim[0].end = 1;
- prim[0].weak = 0;
- prim[0].pad = 0;
- prim[0].mode = mode;
- prim[0].start = start;
- prim[0].count = count;
- prim[0].indexed = 0;
- prim[0].basevertex = 0;
- prim[0].num_instances = 1;
+ if (0)
+ check_draw_arrays_data(ctx, start, count);
- vbo->draw_prims( ctx, exec->array.inputs, prim, 1, NULL,
- GL_TRUE, start, start + count - 1 );
+ vbo_draw_arrays(ctx, mode, start, count, 1, 0);
-#if 0
- print_draw_arrays(ctx, exec, mode, start, count);
-#else
- (void) print_draw_arrays;
-#endif
+ if (0)
+ print_draw_arrays(ctx, mode, start, count);
}
*/
static void GLAPIENTRY
vbo_exec_DrawArraysInstanced(GLenum mode, GLint start, GLsizei count,
- GLsizei primcount)
+ GLsizei numInstances)
{
GET_CURRENT_CONTEXT(ctx);
- struct vbo_context *vbo = vbo_context(ctx);
- struct vbo_exec_context *exec = &vbo->exec;
- struct _mesa_prim prim[1];
if (MESA_VERBOSE & VERBOSE_DRAW)
_mesa_debug(ctx, "glDrawArraysInstanced(%s, %d, %d, %d)\n",
- _mesa_lookup_enum_by_nr(mode), start, count, primcount);
+ _mesa_lookup_enum_by_nr(mode), start, count, numInstances);
- if (!_mesa_validate_DrawArraysInstanced(ctx, mode, start, count, primcount))
+ if (!_mesa_validate_DrawArraysInstanced(ctx, mode, start, count, numInstances))
return;
- FLUSH_CURRENT( ctx, 0 );
+ if (0)
+ check_draw_arrays_data(ctx, start, count);
- if (!_mesa_valid_to_render(ctx, "glDrawArraysInstanced")) {
- return;
- }
+ vbo_draw_arrays(ctx, mode, start, count, numInstances, 0);
-#if 0 /* debug */
- check_draw_arrays_data(ctx, start, count);
-#endif
+ if (0)
+ print_draw_arrays(ctx, mode, start, count);
+}
- bind_arrays( ctx );
- /* 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)
- _mesa_update_state( ctx );
+/**
+ * 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);
- prim[0].begin = 1;
- prim[0].end = 1;
- prim[0].weak = 0;
- prim[0].pad = 0;
- prim[0].mode = mode;
- prim[0].start = start;
- prim[0].count = count;
- prim[0].indexed = 0;
- prim[0].basevertex = 0;
- prim[0].num_instances = primcount;
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glDrawArraysInstancedBaseInstance(%s, %d, %d, %d, %d)\n",
+ _mesa_lookup_enum_by_nr(mode), first, count,
+ numInstances, baseInstance);
+
+ if (!_mesa_validate_DrawArraysInstanced(ctx, mode, first, count,
+ numInstances))
+ return;
- vbo->draw_prims( ctx, exec->array.inputs, prim, 1, NULL,
- GL_TRUE, start, start + count - 1 );
+ if (0)
+ check_draw_arrays_data(ctx, first, count);
-#if 0 /* debug */
- print_draw_arrays(ctx, exec, mode, start, count);
-#endif
+ 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.MapBuffer(ctx,
- GL_ELEMENT_ARRAY_BUFFER_ARB,
- GL_READ_ONLY,
- ctx->Array.ElementArrayBufferObj);
+ const GLvoid *map =
+ ctx->Driver.MapBufferRange(ctx, 0,
+ ctx->Array.ArrayObj->ElementArrayBufferObj->Size,
+ GL_MAP_READ_BIT,
+ ctx->Array.ArrayObj->ElementArrayBufferObj);
switch (type) {
case GL_UNSIGNED_BYTE:
{
const GLubyte *us = (const GLubyte *) map;
GLint i;
- for (i = 0; i < ctx->Array.ElementArrayBufferObj->Size; i++) {
+ for (i = 0; i < ctx->Array.ArrayObj->ElementArrayBufferObj->Size; i++) {
printf("%02x ", us[i]);
if (i % 32 == 31)
printf("\n");
{
const GLushort *us = (const GLushort *) map;
GLint i;
- for (i = 0; i < ctx->Array.ElementArrayBufferObj->Size / 2; i++) {
+ for (i = 0; i < ctx->Array.ArrayObj->ElementArrayBufferObj->Size / 2; i++) {
printf("%04x ", us[i]);
if (i % 16 == 15)
printf("\n");
{
const GLuint *us = (const GLuint *) map;
GLint i;
- for (i = 0; i < ctx->Array.ElementArrayBufferObj->Size / 4; i++) {
+ for (i = 0; i < ctx->Array.ArrayObj->ElementArrayBufferObj->Size / 4; i++) {
printf("%08x ", us[i]);
if (i % 8 == 7)
printf("\n");
;
}
- ctx->Driver.UnmapBuffer(ctx, GL_ELEMENT_ARRAY_BUFFER_ARB,
- ctx->Array.ElementArrayBufferObj);
+ ctx->Driver.UnmapBuffer(ctx, ctx->Array.ArrayObj->ElementArrayBufferObj);
}
+#endif
/**
GLuint start, GLuint end,
GLsizei count, GLenum type,
const GLvoid *indices,
- GLint basevertex, GLint primcount)
+ GLint basevertex, GLint 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];
- FLUSH_CURRENT( ctx, 0 );
-
- if (!_mesa_valid_to_render(ctx, "glDraw[Range]Elements")) {
- return;
- }
-
- bind_arrays( ctx );
-
- /* check for dirty state again */
- if (ctx->NewState)
- _mesa_update_state( ctx );
+ vbo_bind_arrays(ctx);
ib.count = count;
ib.type = type;
- ib.obj = ctx->Array.ElementArrayBufferObj;
+ ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj;
ib.ptr = indices;
prim[0].begin = 1;
prim[0].count = count;
prim[0].indexed = 1;
prim[0].basevertex = basevertex;
- prim[0].num_instances = primcount;
+ 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
* for the latter case elsewhere.
*/
- vbo->draw_prims( ctx, exec->array.inputs, prim, 1, &ib,
- index_bounds_valid, start, end );
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo_handle_primitive_restart(ctx, prim, 1, &ib,
+ index_bounds_valid, start, end);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
+ _mesa_flush(ctx);
+ }
}
GLint basevertex)
{
static GLuint warnCount = 0;
+ GLboolean index_bounds_valid = GL_TRUE;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_DRAW)
type, indices, basevertex ))
return;
+ if ((int) end + basevertex < 0 ||
+ start + basevertex >= ctx->Array.ArrayObj->_MaxElement) {
+ /* 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,
+ ctx->Array.ArrayObj->_MaxElement - 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
end = MIN2(end, 0xffff);
}
- if (end >= ctx->Array.ArrayObj->_MaxElement) {
- /* the max element is out of bounds of one or more enabled arrays */
- warnCount++;
-
- if (warnCount < 10) {
- _mesa_warning(ctx, "glDraw[Range]Elements(start %u, end %u, count %d, "
- "type 0x%x, indices=%p)\n"
- "\tend is out of bounds (max=%u) "
- "Element Buffer %u (size %d)\n"
- "\tThis should probably be fixed in the application.",
- start, end, count, type, indices,
- ctx->Array.ArrayObj->_MaxElement - 1,
- ctx->Array.ElementArrayBufferObj->Name,
- (int) ctx->Array.ElementArrayBufferObj->Size);
- }
-
- if (0)
- dump_element_buffer(ctx, type);
-
- if (0)
- _mesa_print_arrays(ctx);
-
-#ifdef DEBUG
- /* 'end' was out of bounds, but now let's check the actual array
- * indexes to see if any of them are out of bounds.
- */
- {
- GLuint max = _mesa_max_buffer_index(ctx, count, type, indices,
- ctx->Array.ElementArrayBufferObj);
- if (max >= ctx->Array.ArrayObj->_MaxElement) {
- if (warnCount < 10) {
- _mesa_warning(ctx, "glDraw[Range]Elements(start %u, end %u, "
- "count %d, type 0x%x, indices=%p)\n"
- "\tindex=%u is out of bounds (max=%u) "
- "Element Buffer %u (size %d)\n"
- "\tSkipping the glDrawRangeElements() call",
- start, end, count, type, indices, max,
- ctx->Array.ArrayObj->_MaxElement - 1,
- ctx->Array.ElementArrayBufferObj->Name,
- (int) ctx->Array.ElementArrayBufferObj->Size);
- }
- }
- /* XXX we could also find the min index and compare to 'start'
- * to see if start is correct. But it's more likely to get the
- * upper bound wrong.
- */
- }
-#endif
-
- /* Set 'end' to the max possible legal value */
- assert(ctx->Array.ArrayObj->_MaxElement >= 1);
- end = ctx->Array.ArrayObj->_MaxElement - 1;
- }
- else if (0) {
+ 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.ElementArrayBufferObj->Name,
+ ctx->Array.ArrayObj->ElementArrayBufferObj->Name,
basevertex);
}
+ if ((int) start + basevertex < 0 ||
+ end + basevertex >= ctx->Array.ArrayObj->_MaxElement)
+ 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, GL_TRUE, start, end,
- count, type, indices, basevertex, 1);
+ vbo_validated_drawrangeelements(ctx, mode, index_bounds_valid, start, end,
+ count, type, indices, basevertex, 1, 0);
}
vbo_exec_DrawRangeElements(GLenum mode, GLuint start, GLuint end,
GLsizei count, GLenum type, const GLvoid *indices)
{
- GET_CURRENT_CONTEXT(ctx);
-
- if (MESA_VERBOSE & VERBOSE_DRAW)
+ if (MESA_VERBOSE & VERBOSE_DRAW) {
+ GET_CURRENT_CONTEXT(ctx);
_mesa_debug(ctx,
"glDrawRangeElements(%s, %u, %u, %d, %s, %p)\n",
_mesa_lookup_enum_by_nr(mode), start, end, count,
_mesa_lookup_enum_by_nr(type), indices);
+ }
vbo_exec_DrawRangeElementsBaseVertex(mode, start, end, count, type,
indices, 0);
return;
vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0,
- count, type, indices, 0, 1);
+ count, type, indices, 0, 1, 0);
}
return;
vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0,
- count, type, indices, basevertex, 1);
+ count, type, indices, basevertex, 1, 0);
}
*/
static void GLAPIENTRY
vbo_exec_DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices, GLsizei primcount)
+ 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_lookup_enum_by_nr(mode), count,
- _mesa_lookup_enum_by_nr(type), indices, primcount);
+ _mesa_lookup_enum_by_nr(type), indices, numInstances);
+
+ if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices,
+ numInstances, 0))
+ 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_lookup_enum_by_nr(mode), count,
+ _mesa_lookup_enum_by_nr(type), indices,
+ numInstances, basevertex);
+
+ if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices,
+ numInstances, basevertex))
+ 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_lookup_enum_by_nr(mode), count,
+ _mesa_lookup_enum_by_nr(type), indices,
+ numInstances, baseInstance);
+
+ if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices,
+ numInstances, 0))
+ 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_lookup_enum_by_nr(mode), count,
+ _mesa_lookup_enum_by_nr(type), indices,
+ numInstances, basevertex, baseInstance);
if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type, indices,
- primcount))
+ numInstances, basevertex))
return;
vbo_validated_drawrangeelements(ctx, mode, GL_FALSE, ~0, ~0,
- count, type, indices, 0, primcount);
+ count, type, indices, basevertex, numInstances,
+ baseInstance);
}
static void
vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
const GLsizei *count, GLenum type,
- const GLvoid **indices, GLsizei primcount,
+ 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 = 0;
+ 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;
- FLUSH_CURRENT( ctx, 0 );
-
- if (!_mesa_valid_to_render(ctx, "glMultiDrawElements")) {
- return;
- }
-
prim = calloc(1, primcount * sizeof(*prim));
if (prim == NULL) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glMultiDrawElements");
return;
}
- /* Decide if we can do this all as one set of primitives sharing the
- * same index buffer, or if we have to reset the index pointer per
- * primitive.
- */
- bind_arrays( ctx );
-
- /* check for dirty state again */
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- switch (type) {
- case GL_UNSIGNED_INT:
- index_type_size = 4;
- break;
- case GL_UNSIGNED_SHORT:
- index_type_size = 2;
- break;
- case GL_UNSIGNED_BYTE:
- index_type_size = 1;
- break;
- default:
- assert(0);
- }
+ vbo_bind_arrays(ctx);
min_index_ptr = (uintptr_t)indices[0];
max_index_ptr = 0;
/* 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++) {
* subranges of the index buffer as one large index buffer may lead to
* us reading unmapped memory.
*/
- if (!_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj))
+ if (!_mesa_is_bufferobj(ctx->Array.ArrayObj->ElementArrayBufferObj))
fallback = GL_TRUE;
if (!fallback) {
ib.count = (max_index_ptr - min_index_ptr) / index_type_size;
ib.type = type;
- ib.obj = ctx->Array.ElementArrayBufferObj;
+ ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj;
ib.ptr = (void *)min_index_ptr;
for (i = 0; i < primcount; i++) {
prim[i].count = count[i];
prim[i].indexed = 1;
prim[i].num_instances = 1;
+ prim[i].base_instance = 0;
if (basevertex != NULL)
prim[i].basevertex = basevertex[i];
else
prim[i].basevertex = 0;
}
- vbo->draw_prims(ctx, exec->array.inputs, prim, primcount, &ib,
- GL_FALSE, ~0, ~0);
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo_handle_primitive_restart(ctx, prim, primcount, &ib,
+ GL_FALSE, ~0, ~0);
} else {
/* render one prim at a time */
for (i = 0; i < primcount; i++) {
ib.count = count[i];
ib.type = type;
- ib.obj = ctx->Array.ElementArrayBufferObj;
+ ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj;
ib.ptr = indices[i];
prim[0].begin = 1;
prim[0].count = count[i];
prim[0].indexed = 1;
prim[0].num_instances = 1;
+ prim[0].base_instance = 0;
if (basevertex != NULL)
prim[0].basevertex = basevertex[i];
else
prim[0].basevertex = 0;
- vbo->draw_prims(ctx, exec->array.inputs, prim, 1, &ib,
- GL_FALSE, ~0, ~0);
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo_handle_primitive_restart(ctx, prim, 1, &ib,
+ GL_FALSE, ~0, ~0);
}
}
free(prim);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
+ _mesa_flush(ctx);
+ }
}
GLsizei primcount)
{
GET_CURRENT_CONTEXT(ctx);
- GLint i;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- for (i = 0; i < primcount; i++) {
- if (!_mesa_validate_DrawElements(ctx, mode, count[i], type, indices[i],
- 0))
- return;
- }
+ if (!_mesa_validate_MultiDrawElements(ctx, mode, count, type, indices,
+ primcount, NULL))
+ 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 **indices,
+ const GLvoid * const *indices,
GLsizei primcount,
const GLsizei *basevertex)
{
GET_CURRENT_CONTEXT(ctx);
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- for (i = 0; i < primcount; i++) {
- if (!_mesa_validate_DrawElements(ctx, mode, count[i], type, indices[i],
- basevertex[i]))
- return;
- }
+ if (!_mesa_validate_MultiDrawElements(ctx, mode, count, type, indices,
+ primcount, basevertex))
+ 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;
+ }
+
+ 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;
+
+ /* 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);
+
+ 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_lookup_enum_by_nr(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_lookup_enum_by_nr(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_lookup_enum_by_nr(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_lookup_enum_by_nr(mode), name, stream, primcount);
+
+ vbo_draw_transform_feedback(ctx, mode, obj, stream, primcount);
+}
/**
* Plug in the immediate-mode vertex array drawing commands into the
exec->vtxfmt.DrawRangeElementsBaseVertex = vbo_exec_DrawRangeElementsBaseVertex;
exec->vtxfmt.MultiDrawElementsBaseVertex = vbo_exec_MultiDrawElementsBaseVertex;
exec->vtxfmt.DrawArraysInstanced = vbo_exec_DrawArraysInstanced;
+ exec->vtxfmt.DrawArraysInstancedBaseInstance = vbo_exec_DrawArraysInstancedBaseInstance;
exec->vtxfmt.DrawElementsInstanced = vbo_exec_DrawElementsInstanced;
+ exec->vtxfmt.DrawElementsInstancedBaseInstance = vbo_exec_DrawElementsInstancedBaseInstance;
+ exec->vtxfmt.DrawElementsInstancedBaseVertex = vbo_exec_DrawElementsInstancedBaseVertex;
+ exec->vtxfmt.DrawElementsInstancedBaseVertexBaseInstance = vbo_exec_DrawElementsInstancedBaseVertexBaseInstance;
+ exec->vtxfmt.DrawTransformFeedback = vbo_exec_DrawTransformFeedback;
+ exec->vtxfmt.DrawTransformFeedbackStream =
+ vbo_exec_DrawTransformFeedbackStream;
+ exec->vtxfmt.DrawTransformFeedbackInstanced =
+ vbo_exec_DrawTransformFeedbackInstanced;
+ exec->vtxfmt.DrawTransformFeedbackStreamInstanced =
+ vbo_exec_DrawTransformFeedbackStreamInstanced;
}
vbo_exec_MultiDrawElementsBaseVertex(mode, count, type, indices,
primcount, basevertex);
}
+
+void GLAPIENTRY
+_mesa_DrawTransformFeedback(GLenum mode, GLuint name)
+{
+ vbo_exec_DrawTransformFeedback(mode, name);
+}
projects / mesa.git / blobdiff