#include "main/imports.h"
#include "main/image.h"
#include "main/macros.h"
-#include "shader/prog_uniform.h"
+#include "program/prog_uniform.h"
#include "vbo/vbo.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
+#include "util/u_prim.h"
+#include "util/u_draw_quad.h"
#include "draw/draw_context.h"
#include "cso_cache/cso_context.h"
}
+static void
+setup_index_buffer(GLcontext *ctx,
+ const struct _mesa_index_buffer *ib,
+ struct pipe_index_buffer *ibuffer)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+
+ memset(ibuffer, 0, sizeof(*ibuffer));
+ if (ib) {
+ struct gl_buffer_object *bufobj = ib->obj;
+
+ switch (ib->type) {
+ case GL_UNSIGNED_INT:
+ ibuffer->index_size = 4;
+ break;
+ case GL_UNSIGNED_SHORT:
+ ibuffer->index_size = 2;
+ break;
+ case GL_UNSIGNED_BYTE:
+ ibuffer->index_size = 1;
+ break;
+ default:
+ assert(0);
+ return;
+ }
+
+ /* get/create the index buffer object */
+ if (bufobj && bufobj->Name) {
+ /* elements/indexes are in a real VBO */
+ struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ pipe_resource_reference(&ibuffer->buffer, stobj->buffer);
+ ibuffer->offset = pointer_to_offset(ib->ptr);
+ }
+ else {
+ /* element/indicies are in user space memory */
+ ibuffer->buffer =
+ pipe_user_buffer_create(pipe->screen, (void *) ib->ptr,
+ ib->count * ibuffer->index_size,
+ PIPE_BIND_INDEX_BUFFER);
+ }
+ }
+}
/**
* Prior to drawing, check that any uniforms referenced by the
}
-static unsigned translate_prim( GLcontext *ctx,
- unsigned prim )
+/**
+ * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
+ * the corresponding Gallium type.
+ */
+static unsigned
+translate_prim(const GLcontext *ctx, unsigned prim)
{
+ /* GL prims should match Gallium prims, spot-check a few */
+ assert(GL_POINTS == PIPE_PRIM_POINTS);
+ assert(GL_QUADS == PIPE_PRIM_QUADS);
+ assert(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
+
/* Avoid quadstrips if it's easy to do so:
+ * Note: it's imporant to do the correct trimming if we change the prim type!
+ * We do that wherever this function is called.
*/
if (prim == GL_QUAD_STRIP &&
ctx->Light.ShadeModel != GL_FLAT &&
return prim;
}
+
+
/**
* This function gets plugged into the VBO module and is called when
* we have something to render.
GLuint attr;
struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
unsigned num_vbuffers, num_velements;
+ struct pipe_index_buffer ibuffer;
GLboolean userSpace = GL_FALSE;
GLboolean vertDataEdgeFlags;
+ struct pipe_draw_info info;
+ unsigned i;
/* Mesa core state should have been validated already */
assert(ctx->NewState == 0x0);
if (num_vbuffers == 0 || num_velements == 0)
return;
- /* do actual drawing */
- if (ib) {
- /* indexed primitive */
- struct gl_buffer_object *bufobj = ib->obj;
- struct pipe_resource *indexBuf = NULL;
- unsigned indexSize, indexOffset, i;
- unsigned prim;
+ setup_index_buffer(ctx, ib, &ibuffer);
+ pipe->set_index_buffer(pipe, &ibuffer);
- switch (ib->type) {
- case GL_UNSIGNED_INT:
- indexSize = 4;
- break;
- case GL_UNSIGNED_SHORT:
- indexSize = 2;
- break;
- case GL_UNSIGNED_BYTE:
- indexSize = 1;
- break;
- default:
- assert(0);
- return;
- }
-
- /* get/create the index buffer object */
- if (bufobj && bufobj->Name) {
- /* elements/indexes are in a real VBO */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
- pipe_resource_reference(&indexBuf, stobj->buffer);
- indexOffset = pointer_to_offset(ib->ptr) / indexSize;
- }
- else {
- /* element/indicies are in user space memory */
- indexBuf = pipe_user_buffer_create(pipe->screen, (void *) ib->ptr,
- ib->count * indexSize,
- PIPE_BIND_INDEX_BUFFER);
- indexOffset = 0;
+ util_draw_init_info(&info);
+ if (ib) {
+ info.indexed = TRUE;
+ if (min_index != ~0 && max_index != ~0) {
+ info.min_index = min_index;
+ info.max_index = max_index;
}
+ }
- /* draw */
- if (pipe->draw_range_elements && min_index != ~0 && max_index != ~0) {
- /* XXX: exercise temporary path to pass min/max directly
- * through to driver & draw module. These interfaces still
- * need a bit of work...
- */
- for (i = 0; i < nr_prims; i++) {
- prim = translate_prim( ctx, prims[i].mode );
-
- pipe->draw_range_elements(pipe, indexBuf, indexSize, 0,
- min_index, max_index, prim,
- prims[i].start + indexOffset, prims[i].count);
- }
- }
- else {
- for (i = 0; i < nr_prims; i++) {
- prim = translate_prim( ctx, prims[i].mode );
-
- if (prims[i].num_instances == 1) {
- pipe->draw_elements(pipe, indexBuf, indexSize, 0, prim,
- prims[i].start + indexOffset,
- prims[i].count);
- }
- else {
- pipe->draw_elements_instanced(pipe, indexBuf, indexSize, 0, prim,
- prims[i].start + indexOffset,
- prims[i].count,
- 0, prims[i].num_instances);
- }
- }
+ /* do actual drawing */
+ for (i = 0; i < nr_prims; i++) {
+ info.mode = translate_prim( ctx, prims[i].mode );
+ info.start = prims[i].start;
+ info.count = prims[i].count;
+ info.instance_count = prims[i].num_instances;
+ info.index_bias = prims[i].basevertex;
+ if (!ib) {
+ info.min_index = info.start;
+ info.max_index = info.start + info.count - 1;
}
- pipe_resource_reference(&indexBuf, NULL);
+ if (u_trim_pipe_prim(info.mode, &info.count))
+ pipe->draw_vbo(pipe, &info);
}
- else {
- /* non-indexed */
- GLuint i;
- GLuint prim;
- for (i = 0; i < nr_prims; i++) {
- prim = translate_prim( ctx, prims[i].mode );
-
- if (prims[i].num_instances == 1) {
- pipe->draw_arrays(pipe, prim, prims[i].start, prims[i].count);
- }
- else {
- pipe->draw_arrays_instanced(pipe, prim, prims[i].start,
- prims[i].count,
- 0, prims[i].num_instances);
- }
- }
- }
+ pipe_resource_reference(&ibuffer.buffer, NULL);
/* unreference buffers (frees wrapped user-space buffer objects) */
for (attr = 0; attr < num_vbuffers; attr++) {
projects / mesa.git / blobdiff