static void render_begin( struct draw_stage *stage )
{
#if 0
struct render_stage *render = render_stage(stage);
struct cell_context *sp = render->cell;
const struct pipe_shader_state *fs = &render->cell->fs->shader;
render->quad.nr_attrs = render->cell->nr_frag_attrs;
render->firstFpInput = fs->input_semantic_name[0];
sp->quad.first->begin(sp->quad.first);
#endif
}
static void
render_tri(struct draw_stage *stage, struct prim_header *prim)
{
struct render_stage *rs = render_stage(stage);
struct cell_context *cell = rs->cell;
struct cell_prim_buffer *buf = &cell->prim_buffer;
uint i;
if (buf->num_verts + 3 > CELL_MAX_VERTS) {
cell_flush_prim_buffer(cell);
}
i = buf->num_verts;
assert(i+2 <= CELL_MAX_VERTS);
save_vertex(buf, i+0, prim->v[0]);
save_vertex(buf, i+1, prim->v[1]);
save_vertex(buf, i+2, prim->v[2]);
buf->num_verts += 3;
}
int renderman_rendertask_repeat(RepeatInfo* info, RenderContext* ctx) {
SceneData* sceneData = find_scene_data (ctx->scene);
if ( !sceneData ) {
log_message("error: scene data is missing");
return -1;
}
SceneObject* so;
SoData* soData;
char progKey[KEYSIZE];
Attribute* attribute;
size_t numAttributes;
GLuint program;
char bufferKey[KEYSIZE];
GLuint bufferHandle;
char iboKey[KEYSIZE];
GLuint iboHandle;
Draw* method;
int i;
int k;
//////////////////////////////////////////////////
//////////////////////// STAGE Gbuffer
//////////////////////////////////////////////////
glBindFramebuffer(GL_FRAMEBUFFER, sceneData->fbos[0]);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (i = list_size(sceneData->stageGbuffer) - 1; i >= 0; i--) {
so = list_get(i, sceneData->stageGbuffer);
soData = find_so_data ( sceneData, so );
if ( !soData ) {
log_message ( "error: scene object has not been setup correctly - removing." );
tear_down_so ( sceneData, so );
list_remove_elem( so, sceneData->stageGbuffer );
continue;
}
program = (GLuint)hashmap_find( "gbuffer", staticPrograms );
glUseProgram ( program );
if ( -1 == find_and_pass_uniforms (sceneData, so, (GLuint)program)) {
tear_down_so ( sceneData, so );
list_remove_elem( so, sceneData->stageGbuffer );
continue;
}
for (k = 0; k < 2; k++) { // position and normal must be first 2 shader attributes
attribute = list_get ( k, soData->attributes );
if ( 1 == attribute->useBuffer ) {
snprintf ( bufferKey, KEYSIZE, "%p", attribute );
bufferHandle = (GLuint)hashmap_find ( bufferKey, sceneData->mapBuffer2Handle );
glBindBuffer (GL_ARRAY_BUFFER, bufferHandle);
glVertexAttribPointer (k, attribute->numComponents, attribute->dataType, GL_FALSE, 0, 0);
glEnableVertexAttribArray(k);
} else {
glVertexAttribPointer (k, attribute->numComponents, attribute->dataType, GL_FALSE, 0, attribute->data);
glEnableVertexAttribArray(k);
}
}
method = so->draw;
if ( NULL == method->indices ) {
glDrawArrays ( method->type, method->start, method->count );
} else {
snprintf( iboKey, KEYSIZE, "%p", method->indices );
iboHandle = (GLuint)hashmap_find ( iboKey, sceneData->mapBuffer2Handle );
if ( 1 == method->indices->useBuffer ) {
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, iboHandle );
}
glDrawElements ( method->type, method->count, method->indices->dataType, 1 == method->indices->useBuffer ? 0 : method->indices->data );
}
for (k = 0; k < 2; k++) {
glDisableVertexAttribArray(k);
}
glBindBuffer (GL_ARRAY_BUFFER, 0);
glBindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
glBindTexture (GL_TEXTURE_2D, 0);
}
//////////////////////////////////////////////////
//////////////////////// STAGE Light
//////////////////////////////////////////////////
glBindFramebuffer(GL_FRAMEBUFFER, sceneData->fbos[1]);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
glClear(GL_COLOR_BUFFER_BIT);
render_stage(sceneData->stageLight, sceneData, so, soData, progKey, attribute, numAttributes, program, bufferKey, bufferHandle, iboKey, iboHandle, method, i, k);
//////////////////////////////////////////////////
//////////////////////// STAGE Geometry
//////////////////////////////////////////////////
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
glDisable(GL_BLEND);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
render_stage(sceneData->stageGeometry, sceneData, so, soData, progKey, attribute, numAttributes, program, bufferKey, bufferHandle, iboKey, iboHandle, method, i, k);
//////////////////////////////////////////////////
//////////////////////// STAGE Particle
//////////////////////////////////////////////////
//////////////////////////////////////////////////
//////////////////////// STAGE Overlay
//////////////////////////////////////////////////
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
render_stage(sceneData->stageOverlay, sceneData, so, soData, progKey, attribute, numAttributes, program, bufferKey, bufferHandle, iboKey, iboHandle, method, i, k);
//////////////////////////////////////////////////
//////////////////////// STAGE Postprocessing
//////////////////////////////////////////////////
//////////////////////////////////////////////////
//////////////////////// STAGE Update
//////////////////////////////////////////////////
eglSwapBuffers(ctx->esContext->display, ctx->esContext->surface);
if ( ctx->updateFunc ) {
ctx->updateFunc(ctx->userData, info->overruns);
}
return 0;
}
static void reset_stipple_counter( struct draw_stage *stage )
{
struct render_stage *render = render_stage(stage);
/*render->cell->line_stipple_counter = 0;*/
}
