diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_save_draw.c')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_save_draw.c | 609 |
1 files changed, 305 insertions, 304 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_save_draw.c b/mesalib/src/mesa/vbo/vbo_save_draw.c index 6d8dbdb86..634a6d3f8 100644 --- a/mesalib/src/mesa/vbo/vbo_save_draw.c +++ b/mesalib/src/mesa/vbo/vbo_save_draw.c @@ -1,304 +1,305 @@ -/*
- * Mesa 3-D graphics library
- * Version: 7.2
- *
- * Copyright (C) 1999-2008 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.
- */
-
-/* Author:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "main/glheader.h"
-#include "main/bufferobj.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/mfeatures.h"
-#include "main/mtypes.h"
-#include "main/macros.h"
-#include "main/light.h"
-#include "main/state.h"
-
-#include "vbo_context.h"
-
-
-#if FEATURE_dlist
-
-
-/**
- * After playback, copy everything but the position from the
- * last vertex to the saved state
- */
-static void
-_playback_copy_to_current(struct gl_context *ctx,
- const struct vbo_save_vertex_list *node)
-{
- struct vbo_context *vbo = vbo_context(ctx);
- GLfloat vertex[VBO_ATTRIB_MAX * 4];
- GLfloat *data;
- GLuint i, offset;
-
- if (node->current_size == 0)
- return;
-
- if (node->current_data) {
- data = node->current_data;
- }
- else {
- data = vertex;
-
- if (node->count)
- offset = (node->buffer_offset +
- (node->count-1) * node->vertex_size * sizeof(GLfloat));
- else
- offset = node->buffer_offset;
-
- ctx->Driver.GetBufferSubData( ctx, 0, offset,
- node->vertex_size * sizeof(GLfloat),
- data, node->vertex_store->bufferobj );
-
- data += node->attrsz[0]; /* skip vertex position */
- }
-
- for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
- if (node->attrsz[i]) {
- GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
- GLfloat tmp[4];
-
- COPY_CLEAN_4V(tmp,
- node->attrsz[i],
- data);
-
- if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) {
- memcpy(current, tmp, 4 * sizeof(GLfloat));
-
- vbo->currval[i].Size = node->attrsz[i];
-
- if (i >= VBO_ATTRIB_FIRST_MATERIAL &&
- i <= VBO_ATTRIB_LAST_MATERIAL)
- ctx->NewState |= _NEW_LIGHT;
-
- ctx->NewState |= _NEW_CURRENT_ATTRIB;
- }
-
- data += node->attrsz[i];
- }
- }
-
- /* Colormaterial -- this kindof sucks.
- */
- if (ctx->Light.ColorMaterialEnabled) {
- _mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
- }
-
- /* CurrentExecPrimitive
- */
- if (node->prim_count) {
- const struct _mesa_prim *prim = &node->prim[node->prim_count - 1];
- if (prim->end)
- ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
- else
- ctx->Driver.CurrentExecPrimitive = prim->mode;
- }
-}
-
-
-
-/**
- * Treat the vertex storage as a VBO, define vertex arrays pointing
- * into it:
- */
-static void vbo_bind_vertex_list(struct gl_context *ctx,
- const struct vbo_save_vertex_list *node)
-{
- struct vbo_context *vbo = vbo_context(ctx);
- struct vbo_save_context *save = &vbo->save;
- struct gl_client_array *arrays = save->arrays;
- GLuint buffer_offset = node->buffer_offset;
- const GLuint *map;
- GLuint attr;
- GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */
- GLbitfield varying_inputs = 0x0;
-
- memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));
-
- /* Install the default (ie Current) attributes first, then overlay
- * all active ones.
- */
- switch (get_program_mode(ctx)) {
- case VP_NONE:
- for (attr = 0; attr < 16; attr++) {
- save->inputs[attr] = &vbo->legacy_currval[attr];
- }
- for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
- save->inputs[attr + 16] = &vbo->mat_currval[attr];
- }
- map = vbo->map_vp_none;
- break;
- case VP_NV:
- case VP_ARB:
- /* The aliasing of attributes for NV vertex programs has already
- * occurred. NV vertex programs cannot access material values,
- * nor attributes greater than VERT_ATTRIB_TEX7.
- */
- for (attr = 0; attr < 16; attr++) {
- save->inputs[attr] = &vbo->legacy_currval[attr];
- save->inputs[attr + 16] = &vbo->generic_currval[attr];
- }
- map = vbo->map_vp_arb;
-
- /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
- * In that case we effectively need to route the data from
- * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
- */
- if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
- (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
- save->inputs[16] = save->inputs[0];
- node_attrsz[16] = node_attrsz[0];
- node_attrsz[0] = 0;
- }
- break;
- default:
- assert(0);
- }
-
- for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- const GLuint src = map[attr];
-
- if (node_attrsz[src]) {
- /* override the default array set above */
- save->inputs[attr] = &arrays[attr];
-
- arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset;
- arrays[attr].Size = node->attrsz[src];
- arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat);
- arrays[attr].Stride = node->vertex_size * sizeof(GLfloat);
- arrays[attr].Type = GL_FLOAT;
- arrays[attr].Format = GL_RGBA;
- arrays[attr].Enabled = 1;
- _mesa_reference_buffer_object(ctx,
- &arrays[attr].BufferObj,
- node->vertex_store->bufferobj);
- arrays[attr]._MaxElement = node->count; /* ??? */
-
- assert(arrays[attr].BufferObj->Name);
-
- buffer_offset += node->attrsz[src] * sizeof(GLfloat);
- varying_inputs |= 1<<attr;
- }
- }
-
- _mesa_set_varying_vp_inputs( ctx, varying_inputs );
-}
-
-
-static void
-vbo_save_loopback_vertex_list(struct gl_context *ctx,
- const struct vbo_save_vertex_list *list)
-{
- const char *buffer = ctx->Driver.MapBuffer(ctx,
- GL_ARRAY_BUFFER_ARB,
- GL_READ_ONLY, /* ? */
- list->vertex_store->bufferobj);
-
- vbo_loopback_vertex_list(ctx,
- (const GLfloat *)(buffer + list->buffer_offset),
- list->attrsz,
- list->prim,
- list->prim_count,
- list->wrap_count,
- list->vertex_size);
-
- ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB,
- list->vertex_store->bufferobj);
-}
-
-
-/**
- * Execute the buffer and save copied verts.
- * This is called from the display list code when executing
- * a drawing command.
- */
-void
-vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)
-{
- const struct vbo_save_vertex_list *node =
- (const struct vbo_save_vertex_list *) data;
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- FLUSH_CURRENT(ctx, 0);
-
- if (node->prim_count > 0 && node->count > 0) {
-
- if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END &&
- node->prim[0].begin) {
-
- /* Degenerate case: list is called inside begin/end pair and
- * includes operations such as glBegin or glDrawArrays.
- */
- if (0)
- printf("displaylist recursive begin");
-
- vbo_save_loopback_vertex_list( ctx, node );
- return;
- }
- else if (save->replay_flags) {
- /* Various degnerate cases: translate into immediate mode
- * calls rather than trying to execute in place.
- */
- vbo_save_loopback_vertex_list( ctx, node );
- return;
- }
-
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- /* XXX also need to check if shader enabled, but invalid */
- if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) ||
- (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBegin (invalid vertex/fragment program)");
- return;
- }
-
- vbo_bind_vertex_list( ctx, node );
-
- /* Again...
- */
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- vbo_context(ctx)->draw_prims(ctx,
- save->inputs,
- node->prim,
- node->prim_count,
- NULL,
- GL_TRUE,
- 0, /* Node is a VBO, so this is ok */
- node->count - 1);
- }
-
- /* Copy to current?
- */
- _playback_copy_to_current( ctx, node );
-}
-
-
-#endif /* FEATURE_dlist */
+/* + * Mesa 3-D graphics library + * Version: 7.2 + * + * Copyright (C) 1999-2008 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. + */ + +/* Author: + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "main/glheader.h" +#include "main/bufferobj.h" +#include "main/context.h" +#include "main/imports.h" +#include "main/mfeatures.h" +#include "main/mtypes.h" +#include "main/macros.h" +#include "main/light.h" +#include "main/state.h" + +#include "vbo_context.h" + + +#if FEATURE_dlist + + +/** + * After playback, copy everything but the position from the + * last vertex to the saved state + */ +static void +_playback_copy_to_current(struct gl_context *ctx, + const struct vbo_save_vertex_list *node) +{ + struct vbo_context *vbo = vbo_context(ctx); + GLfloat vertex[VBO_ATTRIB_MAX * 4]; + GLfloat *data; + GLuint i, offset; + + if (node->current_size == 0) + return; + + if (node->current_data) { + data = node->current_data; + } + else { + data = vertex; + + if (node->count) + offset = (node->buffer_offset + + (node->count-1) * node->vertex_size * sizeof(GLfloat)); + else + offset = node->buffer_offset; + + ctx->Driver.GetBufferSubData( ctx, 0, offset, + node->vertex_size * sizeof(GLfloat), + data, node->vertex_store->bufferobj ); + + data += node->attrsz[0]; /* skip vertex position */ + } + + for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) { + if (node->attrsz[i]) { + GLfloat *current = (GLfloat *)vbo->currval[i].Ptr; + GLfloat tmp[4]; + + COPY_CLEAN_4V(tmp, + node->attrsz[i], + data); + + if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) { + memcpy(current, tmp, 4 * sizeof(GLfloat)); + + vbo->currval[i].Size = node->attrsz[i]; + + if (i >= VBO_ATTRIB_FIRST_MATERIAL && + i <= VBO_ATTRIB_LAST_MATERIAL) + ctx->NewState |= _NEW_LIGHT; + + ctx->NewState |= _NEW_CURRENT_ATTRIB; + } + + data += node->attrsz[i]; + } + } + + /* Colormaterial -- this kindof sucks. + */ + if (ctx->Light.ColorMaterialEnabled) { + _mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]); + } + + /* CurrentExecPrimitive + */ + if (node->prim_count) { + const struct _mesa_prim *prim = &node->prim[node->prim_count - 1]; + if (prim->end) + ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; + else + ctx->Driver.CurrentExecPrimitive = prim->mode; + } +} + + + +/** + * Treat the vertex storage as a VBO, define vertex arrays pointing + * into it: + */ +static void vbo_bind_vertex_list(struct gl_context *ctx, + const struct vbo_save_vertex_list *node) +{ + struct vbo_context *vbo = vbo_context(ctx); + struct vbo_save_context *save = &vbo->save; + struct gl_client_array *arrays = save->arrays; + GLuint buffer_offset = node->buffer_offset; + const GLuint *map; + GLuint attr; + GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */ + GLbitfield varying_inputs = 0x0; + + memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz)); + + /* Install the default (ie Current) attributes first, then overlay + * all active ones. + */ + switch (get_program_mode(ctx)) { + case VP_NONE: + for (attr = 0; attr < 16; attr++) { + save->inputs[attr] = &vbo->legacy_currval[attr]; + } + for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) { + save->inputs[attr + 16] = &vbo->mat_currval[attr]; + } + map = vbo->map_vp_none; + break; + case VP_NV: + case VP_ARB: + /* The aliasing of attributes for NV vertex programs has already + * occurred. NV vertex programs cannot access material values, + * nor attributes greater than VERT_ATTRIB_TEX7. + */ + for (attr = 0; attr < 16; attr++) { + save->inputs[attr] = &vbo->legacy_currval[attr]; + save->inputs[attr + 16] = &vbo->generic_currval[attr]; + } + map = vbo->map_vp_arb; + + /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read. + * In that case we effectively need to route the data from + * glVertexAttrib(0, val) calls to feed into the GENERIC0 input. + */ + if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 && + (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) { + save->inputs[16] = save->inputs[0]; + node_attrsz[16] = node_attrsz[0]; + node_attrsz[0] = 0; + } + break; + default: + assert(0); + } + + for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) { + const GLuint src = map[attr]; + + if (node_attrsz[src]) { + /* override the default array set above */ + save->inputs[attr] = &arrays[attr]; + + arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset; + arrays[attr].Size = node->attrsz[src]; + arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat); + arrays[attr].Stride = node->vertex_size * sizeof(GLfloat); + arrays[attr].Type = GL_FLOAT; + arrays[attr].Format = GL_RGBA; + arrays[attr].Enabled = 1; + _mesa_reference_buffer_object(ctx, + &arrays[attr].BufferObj, + node->vertex_store->bufferobj); + arrays[attr]._MaxElement = node->count; /* ??? */ + + assert(arrays[attr].BufferObj->Name); + + buffer_offset += node->attrsz[src] * sizeof(GLfloat); + varying_inputs |= 1<<attr; + ctx->NewState |= _NEW_ARRAY; + } + } + + _mesa_set_varying_vp_inputs( ctx, varying_inputs ); +} + + +static void +vbo_save_loopback_vertex_list(struct gl_context *ctx, + const struct vbo_save_vertex_list *list) +{ + const char *buffer = ctx->Driver.MapBuffer(ctx, + GL_ARRAY_BUFFER_ARB, + GL_READ_ONLY, /* ? */ + list->vertex_store->bufferobj); + + vbo_loopback_vertex_list(ctx, + (const GLfloat *)(buffer + list->buffer_offset), + list->attrsz, + list->prim, + list->prim_count, + list->wrap_count, + list->vertex_size); + + ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB, + list->vertex_store->bufferobj); +} + + +/** + * Execute the buffer and save copied verts. + * This is called from the display list code when executing + * a drawing command. + */ +void +vbo_save_playback_vertex_list(struct gl_context *ctx, void *data) +{ + const struct vbo_save_vertex_list *node = + (const struct vbo_save_vertex_list *) data; + struct vbo_save_context *save = &vbo_context(ctx)->save; + + FLUSH_CURRENT(ctx, 0); + + if (node->prim_count > 0 && node->count > 0) { + + if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END && + node->prim[0].begin) { + + /* Degenerate case: list is called inside begin/end pair and + * includes operations such as glBegin or glDrawArrays. + */ + if (0) + printf("displaylist recursive begin"); + + vbo_save_loopback_vertex_list( ctx, node ); + return; + } + else if (save->replay_flags) { + /* Various degnerate cases: translate into immediate mode + * calls rather than trying to execute in place. + */ + vbo_save_loopback_vertex_list( ctx, node ); + return; + } + + if (ctx->NewState) + _mesa_update_state( ctx ); + + /* XXX also need to check if shader enabled, but invalid */ + if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) || + (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBegin (invalid vertex/fragment program)"); + return; + } + + vbo_bind_vertex_list( ctx, node ); + + /* Again... + */ + if (ctx->NewState) + _mesa_update_state( ctx ); + + vbo_context(ctx)->draw_prims(ctx, + save->inputs, + node->prim, + node->prim_count, + NULL, + GL_TRUE, + 0, /* Node is a VBO, so this is ok */ + node->count - 1); + } + + /* Copy to current? + */ + _playback_copy_to_current( ctx, node ); +} + + +#endif /* FEATURE_dlist */ |