diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_context.c')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_context.c | 494 |
1 files changed, 247 insertions, 247 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_context.c b/mesalib/src/mesa/vbo/vbo_context.c index 580850574..67a6091ba 100644 --- a/mesalib/src/mesa/vbo/vbo_context.c +++ b/mesalib/src/mesa/vbo/vbo_context.c @@ -1,247 +1,247 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * 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. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "main/imports.h" -#include "main/mtypes.h" -#include "main/api_arrayelt.h" -#include "main/bufferobj.h" -#include "math/m_eval.h" -#include "vbo.h" -#include "vbo_context.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] != 1.0) return 4; - if (attr[2] != 0.0) return 3; - if (attr[1] != 0.0) return 2; - return 1; -} - - -static void init_legacy_currval(GLcontext *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 - * attribute: - */ - for (i = 0; i < NR_LEGACY_ATTRIBS; i++) { - struct gl_client_array *cl = &arrays[i]; - - /* 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]; - _mesa_reference_buffer_object(ctx, &cl->BufferObj, - ctx->Shared->NullBufferObj); - } -} - - -static void init_generic_currval(GLcontext *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 < 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; - _mesa_reference_buffer_object(ctx, &cl->BufferObj, - ctx->Shared->NullBufferObj); - } -} - - -static void init_mat_currval(GLcontext *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]; - - /* Size is fixed for the material attributes, for others will - * be determined at runtime: - */ - switch (i - VERT_ATTRIB_GENERIC0) { - case MAT_ATTRIB_FRONT_SHININESS: - case MAT_ATTRIB_BACK_SHININESS: - cl->Size = 1; - break; - case MAT_ATTRIB_FRONT_INDEXES: - case MAT_ATTRIB_BACK_INDEXES: - cl->Size = 3; - break; - default: - cl->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; - _mesa_reference_buffer_object(ctx, &cl->BufferObj, - ctx->Shared->NullBufferObj); - } -} - - -GLboolean _vbo_CreateContext( GLcontext *ctx ) -{ - struct vbo_context *vbo = CALLOC_STRUCT(vbo_context); - - ctx->swtnl_im = (void *)vbo; - - /* 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]; - - init_legacy_currval( ctx ); - init_generic_currval( ctx ); - init_mat_currval( ctx ); - - /* 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; - } - - - /* 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 ); - - _math_init_eval(); - - return GL_TRUE; -} - - -void _vbo_InvalidateState( GLcontext *ctx, GLuint new_state ) -{ - _ae_invalidate_state(ctx, new_state); - vbo_exec_invalidate_state(ctx, new_state); -} - - -void _vbo_DestroyContext( GLcontext *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); - } - - vbo_exec_destroy(ctx); - if (ctx->API == API_OPENGL) - vbo_save_destroy(ctx); - FREE(vbo); - ctx->swtnl_im = NULL; - } -} - - -void vbo_set_draw_func(GLcontext *ctx, vbo_draw_func func) -{ - struct vbo_context *vbo = vbo_context(ctx); - vbo->draw_prims = func; -} - +/*
+ * Mesa 3-D graphics library
+ * Version: 6.3
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "main/api_arrayelt.h"
+#include "main/bufferobj.h"
+#include "math/m_eval.h"
+#include "vbo.h"
+#include "vbo_context.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] != 1.0) return 4;
+ if (attr[2] != 0.0) return 3;
+ if (attr[1] != 0.0) return 2;
+ return 1;
+}
+
+
+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
+ * attribute:
+ */
+ for (i = 0; i < NR_LEGACY_ATTRIBS; i++) {
+ struct gl_client_array *cl = &arrays[i];
+
+ /* 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];
+ _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+ ctx->Shared->NullBufferObj);
+ }
+}
+
+
+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 < 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;
+ _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+ ctx->Shared->NullBufferObj);
+ }
+}
+
+
+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];
+
+ /* Size is fixed for the material attributes, for others will
+ * be determined at runtime:
+ */
+ switch (i - VERT_ATTRIB_GENERIC0) {
+ case MAT_ATTRIB_FRONT_SHININESS:
+ case MAT_ATTRIB_BACK_SHININESS:
+ cl->Size = 1;
+ break;
+ case MAT_ATTRIB_FRONT_INDEXES:
+ case MAT_ATTRIB_BACK_INDEXES:
+ cl->Size = 3;
+ break;
+ default:
+ cl->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;
+ _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+ ctx->Shared->NullBufferObj);
+ }
+}
+
+
+GLboolean _vbo_CreateContext( struct gl_context *ctx )
+{
+ struct vbo_context *vbo = CALLOC_STRUCT(vbo_context);
+
+ ctx->swtnl_im = (void *)vbo;
+
+ /* 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];
+
+ init_legacy_currval( ctx );
+ init_generic_currval( ctx );
+ init_mat_currval( ctx );
+
+ /* 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;
+ }
+
+
+ /* 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 );
+
+ _math_init_eval();
+
+ return GL_TRUE;
+}
+
+
+void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state )
+{
+ _ae_invalidate_state(ctx, new_state);
+ vbo_exec_invalidate_state(ctx, new_state);
+}
+
+
+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);
+ }
+
+ vbo_exec_destroy(ctx);
+ if (ctx->API == API_OPENGL)
+ vbo_save_destroy(ctx);
+ FREE(vbo);
+ ctx->swtnl_im = NULL;
+ }
+}
+
+
+void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ vbo->draw_prims = func;
+}
+
|