#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"
}
-
-/**
- * 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.
primcount, stride);
}
+static void
+vbo_validated_multidrawarraysindirectcount(struct gl_context *ctx,
+ GLenum mode,
+ GLintptr indirect,
+ GLintptr drawcount,
+ GLsizei maxdrawcount,
+ GLsizei stride)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
+ GLsizeiptr offset = indirect;
+
+ if (maxdrawcount == 0)
+ return;
+
+ vbo_bind_arrays(ctx);
+
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo->draw_indirect_prims(ctx, mode,
+ ctx->DrawIndirectBuffer, offset,
+ maxdrawcount, stride,
+ ctx->ParameterBuffer, drawcount,
+ NULL);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH)
+ _mesa_flush(ctx);
+}
+
+static void
+vbo_validated_multidrawelementsindirectcount(struct gl_context *ctx,
+ GLenum mode, GLenum type,
+ GLintptr indirect,
+ GLintptr drawcount,
+ GLsizei maxdrawcount,
+ GLsizei stride)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
+ struct _mesa_index_buffer ib;
+ GLsizeiptr offset = (GLsizeiptr)indirect;
+
+ if (maxdrawcount == 0)
+ 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;
+
+ check_buffers_are_unmapped(exec->array.inputs);
+ vbo->draw_indirect_prims(ctx, mode,
+ ctx->DrawIndirectBuffer, offset,
+ maxdrawcount, stride,
+ ctx->ParameterBuffer, drawcount,
+ &ib);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH)
+ _mesa_flush(ctx);
+}
+
static void GLAPIENTRY
vbo_exec_MultiDrawArraysIndirectCount(GLenum mode,
GLintptr indirect,
GLintptr drawcount,
GLsizei maxdrawcount, GLsizei stride)
{
+ GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glMultiDrawArraysIndirectCountARB"
+ "(%s, %lx, %lx, %i, %i)\n",
+ _mesa_enum_to_string(mode), indirect,
+ drawcount, maxdrawcount, 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_MultiDrawArraysIndirectCount(ctx, mode,
+ indirect, drawcount,
+ maxdrawcount, stride))
+ return;
+
+ vbo_validated_multidrawarraysindirectcount(ctx, mode,
+ indirect, drawcount,
+ maxdrawcount, stride);
}
static void GLAPIENTRY
GLintptr drawcount,
GLsizei maxdrawcount, GLsizei stride)
{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_DRAW)
+ _mesa_debug(ctx, "glMultiDrawElementsIndirectCountARB"
+ "(%s, %s, %lx, %lx, %i, %i)\n",
+ _mesa_enum_to_string(mode),
+ _mesa_enum_to_string(type), indirect,
+ drawcount, maxdrawcount, 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_MultiDrawElementsIndirectCount(ctx, mode, type,
+ indirect, drawcount,
+ maxdrawcount, stride))
+ return;
+ vbo_validated_multidrawelementsindirectcount(ctx, mode, type,
+ indirect, drawcount,
+ maxdrawcount, stride);
}
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