#include "brw_eu.h"
#include "brw_state.h"
+#define FILE_DEBUG_FLAG DEBUG_BLORP
+
struct brw_blorp_const_color_prog_key
{
bool use_simd16_replicated_data;
bool partial_clear);
};
+
+/**
+ * Parameters for a blorp operation that performs a "render target resolve".
+ * This is used to resolve pending fast clear pixels before a color buffer is
+ * used for texturing, ReadPixels, or scanout.
+ */
+class brw_blorp_rt_resolve_params : public brw_blorp_const_color_params
+{
+public:
+ brw_blorp_rt_resolve_params(struct brw_context *brw,
+ struct intel_mipmap_tree *mt);
+};
+
+
class brw_blorp_const_color_program
{
public:
const brw_blorp_const_color_prog_key *key)
: mem_ctx(ralloc_context(NULL)),
brw(brw),
- key(key)
+ key(key),
+ R0(),
+ R1(),
+ clear_rgba(),
+ base_mrf(0)
{
brw_init_compile(brw, &func, mem_ctx);
}
* moment we only support floating point, unorm, and snorm buffers.
*/
static bool
-is_color_fast_clear_compatible(struct intel_context *intel,
+is_color_fast_clear_compatible(struct brw_context *brw,
gl_format format,
const union gl_color_union *color)
{
for (int i = 0; i < 4; i++) {
if (color->f[i] != 0.0 && color->f[i] != 1.0) {
perf_debug("Clear color unsupported by fast color clear. "
- "Falling back to slow clear.");
+ "Falling back to slow clear.\n");
return false;
}
}
GLubyte *color_mask,
bool partial_clear)
{
- struct intel_context *intel = &brw->intel;
- struct gl_context *ctx = &intel->ctx;
+ struct gl_context *ctx = &brw->ctx;
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
dst.set(brw, irb->mt, irb->mt_level, irb->mt_layer);
/* If we can do this as a fast color clear, do so. */
if (irb->mt->mcs_state != INTEL_MCS_STATE_NONE && !partial_clear &&
wm_prog_key.use_simd16_replicated_data &&
- is_color_fast_clear_compatible(intel, format, &ctx->Color.ClearColor)) {
+ is_color_fast_clear_compatible(brw, format, &ctx->Color.ClearColor)) {
memset(push_consts, 0xff, 4*sizeof(float));
fast_clear_op = GEN7_FAST_CLEAR_OP_FAST_CLEAR;
* with X alignment multiplied by 16 and Y alignment multiplied by 32.
*/
unsigned x_align, y_align;
- intel_get_non_msrt_mcs_alignment(intel, irb->mt, &x_align, &y_align);
+ intel_get_non_msrt_mcs_alignment(brw, irb->mt, &x_align, &y_align);
x_align *= 16;
y_align *= 32;
- x0 = ROUND_DOWN_TO(x0, x_align);
- y0 = ROUND_DOWN_TO(y0, y_align);
- x1 = ALIGN(x1, x_align);
- y1 = ALIGN(y1, y_align);
+
+ if (brw->is_haswell && brw->gt == 3) {
+ /* From BSpec: 3D-Media-GPGPU Engine > 3D Pipeline > Pixel > Pixel
+ * Backend > MCS Buffer for Render Target(s) [DevIVB+]:
+ * [DevHSW:GT3]: Clear rectangle must be aligned to two times the
+ * number of pixels in the table shown below...
+ * x_align, y_align values computed above are the relevant entries
+ * in the referred table.
+ */
+ x0 = ROUND_DOWN_TO(x0, 2 * x_align);
+ y0 = ROUND_DOWN_TO(y0, 2 * y_align);
+ x1 = ALIGN(x1, 2 * x_align);
+ y1 = ALIGN(y1, 2 * y_align);
+ } else {
+ x0 = ROUND_DOWN_TO(x0, x_align);
+ y0 = ROUND_DOWN_TO(y0, y_align);
+ x1 = ALIGN(x1, x_align);
+ y1 = ALIGN(y1, y_align);
+ }
/* From the Ivy Bridge PRM, Vol2 Part1 11.7 "MCS Buffer for Render
* Target(s)", beneath the "Fast Color Clear" bullet (p327):
}
}
+
+brw_blorp_rt_resolve_params::brw_blorp_rt_resolve_params(
+ struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
+{
+ dst.set(brw, mt, 0 /* level */, 0 /* layer */);
+
+ /* From the Ivy Bridge PRM, Vol2 Part1 11.9 "Render Target Resolve":
+ *
+ * A rectangle primitive must be scaled down by the following factors
+ * with respect to render target being resolved.
+ *
+ * The scaledown factors in the table that follows are related to the
+ * alignment size returned by intel_get_non_msrt_mcs_alignment(), but with
+ * X and Y alignment each divided by 2.
+ */
+ unsigned x_align, y_align;
+ intel_get_non_msrt_mcs_alignment(brw, mt, &x_align, &y_align);
+ unsigned x_scaledown = x_align / 2;
+ unsigned y_scaledown = y_align / 2;
+ x0 = y0 = 0;
+ x1 = ALIGN(mt->logical_width0, x_scaledown) / x_scaledown;
+ y1 = ALIGN(mt->logical_height0, y_scaledown) / y_scaledown;
+
+ fast_clear_op = GEN7_FAST_CLEAR_OP_RESOLVE;
+
+ /* Note: there is no need to initialize push constants because it doesn't
+ * matter what data gets dispatched to the render target. However, we must
+ * ensure that the fragment shader delivers the data using the "replicated
+ * color" message.
+ */
+ use_wm_prog = true;
+ memset(&wm_prog_key, 0, sizeof(wm_prog_key));
+ wm_prog_key.use_simd16_replicated_data = true;
+}
+
+
uint32_t
brw_blorp_const_color_params::get_wm_prog(struct brw_context *brw,
brw_blorp_prog_data **prog_data)
const
{
- uint32_t prog_offset;
+ uint32_t prog_offset = 0;
if (!brw_search_cache(&brw->cache, BRW_BLORP_CONST_COLOR_PROG,
&this->wm_prog_key, sizeof(this->wm_prog_key),
&prog_offset, prog_data)) {
extern "C" {
bool
-brw_blorp_clear_color(struct intel_context *intel, struct gl_framebuffer *fb,
+brw_blorp_clear_color(struct brw_context *brw, struct gl_framebuffer *fb,
bool partial_clear)
{
- struct gl_context *ctx = &intel->ctx;
- struct brw_context *brw = brw_context(ctx);
+ struct gl_context *ctx = &brw->ctx;
/* The constant color clear code doesn't work for multisampled surfaces, so
* we need to support falling back to other clear mechanisms.
* it now.
*/
if (!irb->mt->mcs_mt) {
- if (!intel_miptree_alloc_non_msrt_mcs(intel, irb->mt)) {
+ if (!intel_miptree_alloc_non_msrt_mcs(brw, irb->mt)) {
/* MCS allocation failed--probably this will only happen in
* out-of-memory conditions. But in any case, try to recover
* by falling back to a non-blorp clear technique.
}
}
- brw_blorp_exec(intel, ¶ms);
+ DBG("%s to mt %p level %d layer %d\n", __FUNCTION__,
+ irb->mt, irb->mt_level, irb->mt_layer);
+
+ brw_blorp_exec(brw, ¶ms);
if (is_fast_clear) {
/* Now that the fast clear has occurred, put the buffer in
return true;
}
+void
+brw_blorp_resolve_color(struct brw_context *brw, struct intel_mipmap_tree *mt)
+{
+ DBG("%s to mt %p\n", __FUNCTION__, mt);
+
+ brw_blorp_rt_resolve_params params(brw, mt);
+ brw_blorp_exec(brw, ¶ms);
+ mt->mcs_state = INTEL_MCS_STATE_RESOLVED;
+}
+
} /* extern "C" */
projects / mesa.git / blobdiff