/*
* Mesa 3-D graphics library
- * Version: 6.3
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
-#include "main/imports.h"
-#include "main/mtypes.h"
-#include "main/api_arrayelt.h"
+#include "main/errors.h"
#include "main/bufferobj.h"
#include "math/m_eval.h"
+#include "main/vtxfmt.h"
+#include "main/api_arrayelt.h"
+#include "main/arrayobj.h"
+#include "main/varray.h"
+#include "util/u_memory.h"
#include "vbo.h"
-#include "vbo_context.h"
-
+#include "vbo_private.h"
-#define NR_LEGACY_ATTRIBS 16
-#define NR_GENERIC_ATTRIBS 16
-#define NR_MAT_ATTRIBS 12
+static GLuint
+check_size(const GLfloat *attr)
+{
+ if (attr[3] != 1.0F)
+ return 4;
+ if (attr[2] != 0.0F)
+ return 3;
+ if (attr[1] != 0.0F)
+ return 2;
+ return 1;
+}
-static GLuint check_size( const GLfloat *attr )
+/**
+ * Helper for initializing a vertex array.
+ */
+static void
+init_array(struct gl_context *ctx, struct gl_array_attributes *attrib,
+ unsigned size, const void *pointer)
{
- if (attr[3] != 1.0) return 4;
- if (attr[2] != 0.0) return 3;
- if (attr[1] != 0.0) return 2;
- return 1;
+ memset(attrib, 0, sizeof(*attrib));
+
+ vbo_set_vertex_format(&attrib->Format, size, GL_FLOAT);
+ attrib->Stride = 0;
+ attrib->Ptr = pointer;
}
-static void init_legacy_currval(struct gl_context *ctx)
+/**
+ * Set up the vbo->currval arrays to point at the context's current
+ * vertex attributes (with strides = 0).
+ */
+static void
+init_legacy_currval(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- struct gl_client_array *arrays = vbo->legacy_currval;
GLuint i;
- memset(arrays, 0, sizeof(*arrays) * NR_LEGACY_ATTRIBS);
-
- /* 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 < NR_LEGACY_ATTRIBS; i++) {
- struct gl_client_array *cl = &arrays[i];
+ for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) {
+ const unsigned attr = VERT_ATTRIB_FF(i);
+ struct gl_array_attributes *attrib = &vbo->current[attr];
- /* Size will have to be determined at runtime:
- */
- cl->Size = check_size(ctx->Current.Attrib[i]);
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->Type = GL_FLOAT;
- cl->Format = GL_RGBA;
- cl->Ptr = (const void *)ctx->Current.Attrib[i];
- cl->_ElementSize = cl->Size * sizeof(GLfloat);
- _mesa_reference_buffer_object(ctx, &cl->BufferObj,
- ctx->Shared->NullBufferObj);
+ init_array(ctx, attrib, check_size(ctx->Current.Attrib[attr]),
+ ctx->Current.Attrib[attr]);
}
}
-static void init_generic_currval(struct gl_context *ctx)
+static void
+init_generic_currval(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- struct gl_client_array *arrays = vbo->generic_currval;
GLuint i;
- memset(arrays, 0, sizeof(*arrays) * NR_GENERIC_ATTRIBS);
+ for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) {
+ const unsigned attr = VBO_ATTRIB_GENERIC0 + i;
+ struct gl_array_attributes *attrib = &vbo->current[attr];
- for (i = 0; i < NR_GENERIC_ATTRIBS; i++) {
- struct gl_client_array *cl = &arrays[i];
-
- /* This will have to be determined at runtime:
- */
- cl->Size = 1;
- cl->Type = GL_FLOAT;
- cl->Format = GL_RGBA;
- cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->_ElementSize = cl->Size * sizeof(GLfloat);
- _mesa_reference_buffer_object(ctx, &cl->BufferObj,
- ctx->Shared->NullBufferObj);
+ init_array(ctx, attrib, 1, ctx->Current.Attrib[attr]);
}
}
-static void init_mat_currval(struct gl_context *ctx)
+static void
+init_mat_currval(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- struct gl_client_array *arrays = vbo->mat_currval;
GLuint i;
- ASSERT(NR_MAT_ATTRIBS == MAT_ATTRIB_MAX);
-
- memset(arrays, 0, sizeof(*arrays) * NR_MAT_ATTRIBS);
-
/* Set up a constant (StrideB == 0) array for each current
* attribute:
*/
- for (i = 0; i < NR_MAT_ATTRIBS; i++) {
- struct gl_client_array *cl = &arrays[i];
+ for (i = 0; i < MAT_ATTRIB_MAX; 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
* be determined at runtime:
*/
- switch (i - VERT_ATTRIB_GENERIC0) {
+ switch (i) {
case MAT_ATTRIB_FRONT_SHININESS:
case MAT_ATTRIB_BACK_SHININESS:
- cl->Size = 1;
- break;
+ size = 1;
+ break;
case MAT_ATTRIB_FRONT_INDEXES:
case MAT_ATTRIB_BACK_INDEXES:
- cl->Size = 3;
- break;
+ size = 3;
+ break;
default:
- cl->Size = 4;
- break;
+ size = 4;
+ break;
}
- cl->Ptr = (const void *)ctx->Light.Material.Attrib[i];
- cl->Type = GL_FLOAT;
- cl->Format = GL_RGBA;
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->_ElementSize = cl->Size * sizeof(GLfloat);
- _mesa_reference_buffer_object(ctx, &cl->BufferObj,
- ctx->Shared->NullBufferObj);
+ init_array(ctx, attrib, size, ctx->Light.Material.Attrib[i]);
}
}
-GLboolean _vbo_CreateContext( struct gl_context *ctx )
+void
+_vbo_install_exec_vtxfmt(struct gl_context *ctx)
{
- struct vbo_context *vbo = CALLOC_STRUCT(vbo_context);
+ struct vbo_context *vbo = vbo_context(ctx);
- ctx->swtnl_im = (void *)vbo;
+ _mesa_install_exec_vtxfmt(ctx, &vbo->exec.vtxfmt);
+}
- /* Initialize the arrayelt helper
- */
- if (!ctx->aelt_context &&
- !_ae_create_context( ctx )) {
- return GL_FALSE;
- }
- /* TODO: remove these pointers.
- */
- vbo->legacy_currval = &vbo->currval[VBO_ATTRIB_POS];
- vbo->generic_currval = &vbo->currval[VBO_ATTRIB_GENERIC0];
- vbo->mat_currval = &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT];
+void
+vbo_exec_update_eval_maps(struct gl_context *ctx)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
- init_legacy_currval( ctx );
- init_generic_currval( ctx );
- init_mat_currval( ctx );
+ vbo->exec.eval.recalculate_maps = GL_TRUE;
+}
- /* Build mappings from VERT_ATTRIB -> VBO_ATTRIB depending on type
- * of vertex program active.
- */
- {
- GLuint i;
- /* When no vertex program, pull in the material attributes in
- * the 16..32 generic range.
- */
- for (i = 0; i < 16; i++)
- vbo->map_vp_none[i] = i;
- for (i = 0; i < 12; i++)
- vbo->map_vp_none[16+i] = VBO_ATTRIB_MAT_FRONT_AMBIENT + i;
- for (i = 0; i < 4; i++)
- vbo->map_vp_none[28+i] = i;
-
- for (i = 0; i < Elements(vbo->map_vp_arb); i++)
- vbo->map_vp_arb[i] = i;
- }
+GLboolean
+_vbo_CreateContext(struct gl_context *ctx, bool use_buffer_objects)
+{
+ struct vbo_context *vbo = &ctx->vbo_context;
+
+ memset(vbo, 0, sizeof(*vbo));
+ vbo->binding.Offset = 0;
+ vbo->binding.Stride = 0;
+ vbo->binding.InstanceDivisor = 0;
+
+ init_legacy_currval(ctx);
+ init_generic_currval(ctx);
+ init_mat_currval(ctx);
+
+ /* make sure all VBO_ATTRIB_ values can fit in an unsigned byte */
+ STATIC_ASSERT(VBO_ATTRIB_MAX <= 255);
/* Hook our functions into exec and compile dispatch tables. These
* will pretty much be permanently installed, which means that the
* vtxfmt mechanism can be removed now.
*/
- vbo_exec_init( ctx );
- if (ctx->API == API_OPENGL)
- vbo_save_init( ctx );
+ vbo_exec_init(ctx, use_buffer_objects);
+ if (ctx->API == API_OPENGL_COMPAT)
+ vbo_save_init(ctx);
+
+ 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);
_math_init_eval();
}
-void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state )
-{
- vbo_exec_invalidate_state(ctx, new_state);
-}
-
-
-void _vbo_DestroyContext( struct gl_context *ctx )
+void
+_vbo_DestroyContext(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- if (ctx->aelt_context) {
- _ae_destroy_context( ctx );
- ctx->aelt_context = NULL;
- }
-
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)
+ if (ctx->API == API_OPENGL_COMPAT)
vbo_save_destroy(ctx);
- FREE(vbo);
- ctx->swtnl_im = NULL;
+ _mesa_reference_vao(ctx, &vbo->VAO, NULL);
}
}
-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;
+}
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