/**
* Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
*/
void
softpipe_clear(struct pipe_context *pipe, unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
uint64_t cv;
uint i;
if (softpipe->no_rast)
return;
if (!softpipe_check_render_cond(softpipe))
return;
#if 0
softpipe_update_derived(softpipe, PIPE_PRIM_TRIANGLES); /* not needed?? */
#endif
if (buffers & PIPE_CLEAR_COLOR) {
for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
sp_tile_cache_clear(softpipe->cbuf_cache[i], color, 0);
}
}
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
static const union pipe_color_union zero;
struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
cv = util_pack64_z_stencil(ps->format, depth, stencil);
sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv);
}
softpipe->dirty_render_cache = TRUE;
}
void setup_prepare( struct setup_context *setup )
{
struct softpipe_context *sp = setup->softpipe;
unsigned i;
if (sp->dirty) {
softpipe_update_derived(sp);
}
/* Note: nr_attrs is only used for debugging (vertex printing) */
setup->quad.nr_attrs = draw_num_vs_outputs(sp->draw);
for (i = 0; i < SP_NUM_QUAD_THREADS; i++) {
sp->quad[i].first->begin( sp->quad[i].first );
}
if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
sp->rasterizer->fill_cw == PIPE_POLYGON_MODE_FILL &&
sp->rasterizer->fill_ccw == PIPE_POLYGON_MODE_FILL) {
/* we'll do culling */
setup->winding = sp->rasterizer->cull_mode;
}
else {
/* 'draw' will do culling */
setup->winding = PIPE_WINDING_NONE;
}
}
/**
* Called by vbuf code just before we start buffering primitives.
*/
void
sp_setup_prepare(struct setup_context *setup)
{
struct softpipe_context *sp = setup->softpipe;
if (sp->dirty) {
softpipe_update_derived(sp, sp->reduced_api_prim);
}
/* Note: nr_attrs is only used for debugging (vertex printing) */
setup->nr_vertex_attrs = draw_num_shader_outputs(sp->draw);
sp->quad.first->begin( sp->quad.first );
if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
sp->rasterizer->fill_front == PIPE_POLYGON_MODE_FILL &&
sp->rasterizer->fill_back == PIPE_POLYGON_MODE_FILL) {
/* we'll do culling */
setup->cull_face = sp->rasterizer->cull_face;
}
else {
/* 'draw' will do culling */
setup->cull_face = PIPE_FACE_NONE;
}
}
/**
* Called by vbuf code just before we start buffering primitives.
*/
void
sp_setup_prepare(struct setup_context *setup)
{
struct softpipe_context *sp = setup->softpipe;
int i;
unsigned max_layer = ~0;
if (sp->dirty) {
softpipe_update_derived(sp, sp->reduced_api_prim);
}
/* Note: nr_attrs is only used for debugging (vertex printing) */
setup->nr_vertex_attrs = draw_num_shader_outputs(sp->draw);
/*
* Determine how many layers the fb has (used for clamping layer value).
* OpenGL (but not d3d10) permits different amount of layers per rt, however
* results are undefined if layer exceeds the amount of layers of ANY
* attachment hence don't need separate per cbuf and zsbuf max.
*/
for (i = 0; i < setup->softpipe->framebuffer.nr_cbufs; i++) {
struct pipe_surface *cbuf = setup->softpipe->framebuffer.cbufs[i];
if (cbuf) {
max_layer = MIN2(max_layer,
cbuf->u.tex.last_layer - cbuf->u.tex.first_layer);
}
}
/* Prepare pixel offset for rasterisation:
* - pixel center (0.5, 0.5) for GL, or
* - assume (0.0, 0.0) for other APIs.
*/
if (setup->softpipe->rasterizer->half_pixel_center) {
setup->pixel_offset = 0.5f;
} else {
setup->pixel_offset = 0.0f;
}
setup->max_layer = max_layer;
sp->quad.first->begin( sp->quad.first );
if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
sp->rasterizer->fill_front == PIPE_POLYGON_MODE_FILL &&
sp->rasterizer->fill_back == PIPE_POLYGON_MODE_FILL) {
/* we'll do culling */
setup->cull_face = sp->rasterizer->cull_face;
}
else {
/* 'draw' will do culling */
setup->cull_face = PIPE_FACE_NONE;
}
}
/**
* Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
*/
void
softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
double depth, unsigned stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
unsigned cv;
uint i;
if (softpipe->no_rast)
return;
#if 0
softpipe_update_derived(softpipe); /* not needed?? */
#endif
if (buffers & PIPE_CLEAR_COLOR) {
for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
struct pipe_surface *ps = softpipe->framebuffer.cbufs[i];
util_pack_color(rgba, ps->format, &cv);
sp_tile_cache_clear(softpipe->cbuf_cache[i], rgba, cv);
#if !TILE_CLEAR_OPTIMIZATION
/* non-cached surface */
pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv);
#endif
}
}
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
static const float zero[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
cv = util_pack_z_stencil(ps->format, depth, stencil);
sp_tile_cache_clear(softpipe->zsbuf_cache, zero, cv);
#if !TILE_CLEAR_OPTIMIZATION
/* non-cached surface */
pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv);
#endif
}
softpipe->dirty_render_cache = TRUE;
}
/**
* Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
*/
void
softpipe_clear(struct pipe_context *pipe, unsigned buffers,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
struct pipe_surface *zsbuf = softpipe->framebuffer.zsbuf;
unsigned zs_buffers = buffers & PIPE_CLEAR_DEPTHSTENCIL;
uint64_t cv;
uint i;
if (softpipe->no_rast)
return;
if (!softpipe_check_render_cond(softpipe))
return;
#if 0
softpipe_update_derived(softpipe, PIPE_PRIM_TRIANGLES); /* not needed?? */
#endif
if (buffers & PIPE_CLEAR_COLOR) {
for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
sp_tile_cache_clear(softpipe->cbuf_cache[i], color, 0);
}
}
if (zs_buffers &&
util_format_is_depth_and_stencil(zsbuf->texture->format) &&
zs_buffers != PIPE_CLEAR_DEPTHSTENCIL) {
/* Clearing only depth or stencil in a combined depth-stencil buffer. */
util_clear_depth_stencil(pipe, zsbuf, zs_buffers, depth, stencil,
0, 0, zsbuf->width, zsbuf->height);
}
else if (zs_buffers) {
static const union pipe_color_union zero;
cv = util_pack64_z_stencil(zsbuf->format, depth, stencil);
sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv);
}
softpipe->dirty_render_cache = TRUE;
}
/**
* Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
*/
void
softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
double depth, unsigned stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
union util_color uc;
unsigned cv;
uint i;
if (softpipe->no_rast)
return;
if (!softpipe_check_render_cond(softpipe))
return;
#if 0
softpipe_update_derived(softpipe, PIPE_PRIM_TRIANGLES); /* not needed?? */
#endif
if (buffers & PIPE_CLEAR_COLOR) {
for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
struct pipe_surface *ps = softpipe->framebuffer.cbufs[i];
util_pack_color(rgba, ps->format, &uc);
sp_tile_cache_clear(softpipe->cbuf_cache[i], rgba, uc.ui);
}
}
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
static const float zero[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
cv = util_pack_z_stencil(ps->format, depth, stencil);
sp_tile_cache_clear(softpipe->zsbuf_cache, zero, cv);
}
softpipe->dirty_render_cache = TRUE;
}
