diff options
Diffstat (limited to 'src/mesa/vbo/vbo_save_draw.c')
-rw-r--r-- | src/mesa/vbo/vbo_save_draw.c | 90 |
1 files changed, 68 insertions, 22 deletions
diff --git a/src/mesa/vbo/vbo_save_draw.c b/src/mesa/vbo/vbo_save_draw.c index ed82f09958..d834fa1f2e 100644 --- a/src/mesa/vbo/vbo_save_draw.c +++ b/src/mesa/vbo/vbo_save_draw.c @@ -46,36 +46,55 @@ static void _playback_copy_to_current( GLcontext *ctx, const struct vbo_save_vertex_list *node ) { struct vbo_context *vbo = vbo_context(ctx); - GLfloat vertex[VBO_ATTRIB_MAX * 4], *data = vertex; + GLfloat vertex[VBO_ATTRIB_MAX * 4]; + GLfloat *data; GLuint i, offset; - if (node->count) - offset = (node->buffer_offset + - (node->count-1) * node->vertex_size * sizeof(GLfloat)); - else - offset = node->buffer_offset; + if (node->current_size == 0) + return; - ctx->Driver.GetBufferSubData( ctx, 0, offset, - node->vertex_size * sizeof(GLfloat), - data, node->vertex_store->bufferobj ); + 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; - data += node->attrsz[0]; /* skip vertex position */ + 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(current, - node->attrsz[i], - data); + 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]; + vbo->currval[i].Size = node->attrsz[i]; - data += node->attrsz[i]; + if (i >= VBO_ATTRIB_FIRST_MATERIAL && + i <= VBO_ATTRIB_LAST_MATERIAL) + ctx->NewState |= _NEW_LIGHT; + + ctx->NewState |= _NEW_CURRENT_ATTRIB; + } - if (i >= VBO_ATTRIB_FIRST_MATERIAL && - i <= VBO_ATTRIB_LAST_MATERIAL) - ctx->NewState |= _NEW_LIGHT; + data += node->attrsz[i]; } } @@ -107,9 +126,13 @@ static void vbo_bind_vertex_list( GLcontext *ctx, struct vbo_context *vbo = vbo_context(ctx); struct vbo_save_context *save = &vbo->save; struct gl_client_array *arrays = save->arrays; - GLuint data = node->buffer_offset; + 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. @@ -135,21 +158,35 @@ static void vbo_bind_vertex_list( GLcontext *ctx, 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++) { GLuint src = map[attr]; - if (node->attrsz[src]) { + if (node_attrsz[src]) { /* override the default array set above */ save->inputs[attr] = &arrays[attr]; - arrays[attr].Ptr = (const GLubyte *) data; + 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, @@ -158,9 +195,12 @@ static void vbo_bind_vertex_list( GLcontext *ctx, assert(arrays[attr].BufferObj->Name); - data += node->attrsz[src] * sizeof(GLfloat); + 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( GLcontext *ctx, @@ -229,11 +269,17 @@ void vbo_save_playback_vertex_list( GLcontext *ctx, void *data ) 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); } |