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-rw-r--r--src/mesa/drivers/dri/i965/Makefile.sources1
-rw-r--r--src/mesa/drivers/dri/i965/brw_blorp.h8
-rw-r--r--src/mesa/drivers/dri/i965/brw_blorp_blit.cpp4
-rw-r--r--src/mesa/drivers/dri/i965/brw_blorp_clear.cpp460
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.h4
5 files changed, 473 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources
index 0143c2714f6..72d0e079338 100644
--- a/src/mesa/drivers/dri/i965/Makefile.sources
+++ b/src/mesa/drivers/dri/i965/Makefile.sources
@@ -97,6 +97,7 @@ i965_FILES = \
brw_blorp_blit.cpp \
brw_blorp_blit_eu.cpp \
brw_blorp_blit_eu.h \
+ brw_blorp_clear.cpp \
brw_blorp.cpp \
brw_blorp.h \
brw_cc.c \
diff --git a/src/mesa/drivers/dri/i965/brw_blorp.h b/src/mesa/drivers/dri/i965/brw_blorp.h
index c284fc8f340..79dc59ab41d 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.h
+++ b/src/mesa/drivers/dri/i965/brw_blorp.h
@@ -49,6 +49,14 @@ brw_blorp_blit_miptrees(struct brw_context *brw,
GLenum filter, bool mirror_x, bool mirror_y,
bool decode_srgb, bool encode_srgb);
+bool
+brw_blorp_clear_color(struct brw_context *brw, struct gl_framebuffer *fb,
+ GLbitfield mask, bool partial_clear, bool encode_srgb);
+
+void
+brw_blorp_resolve_color(struct brw_context *brw,
+ struct intel_mipmap_tree *mt);
+
#ifdef __cplusplus
} /* end extern "C" */
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
index 722eb3d90df..be16941849a 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
+++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
@@ -2182,14 +2182,14 @@ brw_blorp_blit_params::get_wm_prog(struct brw_context *brw,
brw_blorp_prog_data **prog_data) const
{
uint32_t prog_offset = 0;
- if (!brw_search_cache(&brw->cache, BRW_CACHE_BLORP_BLIT_PROG,
+ if (!brw_search_cache(&brw->cache, BRW_CACHE_BLORP_PROG,
&this->wm_prog_key, sizeof(this->wm_prog_key),
&prog_offset, prog_data)) {
brw_blorp_blit_program prog(brw, &this->wm_prog_key);
GLuint program_size;
const GLuint *program = prog.compile(brw, INTEL_DEBUG & DEBUG_BLORP,
&program_size);
- brw_upload_cache(&brw->cache, BRW_CACHE_BLORP_BLIT_PROG,
+ brw_upload_cache(&brw->cache, BRW_CACHE_BLORP_PROG,
&this->wm_prog_key, sizeof(this->wm_prog_key),
program, program_size,
&prog.prog_data, sizeof(prog.prog_data),
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp
new file mode 100644
index 00000000000..51f915d2854
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_blorp_clear.cpp
@@ -0,0 +1,460 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#include "main/teximage.h"
+#include "main/blend.h"
+#include "main/fbobject.h"
+#include "main/renderbuffer.h"
+
+#include "util/ralloc.h"
+
+#include "intel_fbo.h"
+
+#include "brw_blorp.h"
+#include "brw_meta_util.h"
+#include "brw_context.h"
+#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 pad[3];
+};
+
+/**
+ * Parameters for a blorp operation where the fragment shader outputs a
+ * constant color. This is used for both fast color clears and color
+ * resolves.
+ */
+class brw_blorp_const_color_params : public brw_blorp_params
+{
+public:
+ virtual uint32_t get_wm_prog(struct brw_context *brw,
+ brw_blorp_prog_data **prog_data) const;
+
+ brw_blorp_const_color_prog_key wm_prog_key;
+};
+
+class brw_blorp_clear_params : public brw_blorp_const_color_params
+{
+public:
+ brw_blorp_clear_params(struct brw_context *brw,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb,
+ GLubyte *color_mask,
+ bool partial_clear,
+ bool encode_srgb,
+ unsigned layer);
+};
+
+
+/**
+ * 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:
+ brw_blorp_const_color_program(struct brw_context *brw,
+ const brw_blorp_const_color_prog_key *key);
+ ~brw_blorp_const_color_program();
+
+ const GLuint *compile(struct brw_context *brw, GLuint *program_size);
+
+ brw_blorp_prog_data prog_data;
+
+private:
+ void alloc_regs();
+
+ void *mem_ctx;
+ const brw_blorp_const_color_prog_key *key;
+ struct brw_codegen func;
+
+ /* Thread dispatch header */
+ struct brw_reg R0;
+
+ /* Pixel X/Y coordinates (always in R1). */
+ struct brw_reg R1;
+
+ /* Register with push constants (a single vec4) */
+ struct brw_reg clear_rgba;
+
+ /* MRF used for render target writes */
+ GLuint base_mrf;
+};
+
+brw_blorp_const_color_program::brw_blorp_const_color_program(
+ struct brw_context *brw,
+ const brw_blorp_const_color_prog_key *key)
+ : mem_ctx(ralloc_context(NULL)),
+ key(key),
+ R0(),
+ R1(),
+ clear_rgba(),
+ base_mrf(0)
+{
+ prog_data.first_curbe_grf = 0;
+ prog_data.persample_msaa_dispatch = false;
+ brw_init_codegen(brw->intelScreen->devinfo, &func, mem_ctx);
+}
+
+brw_blorp_const_color_program::~brw_blorp_const_color_program()
+{
+ ralloc_free(mem_ctx);
+}
+
+brw_blorp_clear_params::brw_blorp_clear_params(struct brw_context *brw,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb,
+ GLubyte *color_mask,
+ bool partial_clear,
+ bool encode_srgb,
+ unsigned layer)
+{
+ struct gl_context *ctx = &brw->ctx;
+ struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+ mesa_format format = irb->mt->format;
+
+ if (!encode_srgb && _mesa_get_format_color_encoding(format) == GL_SRGB)
+ format = _mesa_get_srgb_format_linear(format);
+
+ dst.set(brw, irb->mt, irb->mt_level, layer, format, true);
+
+ /* Override the surface format according to the context's sRGB rules. */
+ dst.brw_surfaceformat = brw->render_target_format[format];
+
+ x0 = fb->_Xmin;
+ x1 = fb->_Xmax;
+ if (rb->Name != 0) {
+ y0 = fb->_Ymin;
+ y1 = fb->_Ymax;
+ } else {
+ y0 = rb->Height - fb->_Ymax;
+ y1 = rb->Height - fb->_Ymin;
+ }
+
+ memcpy(&wm_push_consts.dst_x0, ctx->Color.ClearColor.f, sizeof(float) * 4);
+
+ use_wm_prog = true;
+
+ memset(&wm_prog_key, 0, sizeof(wm_prog_key));
+
+ wm_prog_key.use_simd16_replicated_data = true;
+
+ /* From the SNB PRM (Vol4_Part1):
+ *
+ * "Replicated data (Message Type = 111) is only supported when
+ * accessing tiled memory. Using this Message Type to access linear
+ * (untiled) memory is UNDEFINED."
+ */
+ if (irb->mt->tiling == I915_TILING_NONE)
+ wm_prog_key.use_simd16_replicated_data = false;
+
+ /* Constant color writes ignore everyting in blend and color calculator
+ * state. This is not documented.
+ */
+ for (int i = 0; i < 4; i++) {
+ if (_mesa_format_has_color_component(irb->mt->format, i) &&
+ !color_mask[i]) {
+ color_write_disable[i] = true;
+ wm_prog_key.use_simd16_replicated_data = false;
+ }
+ }
+
+ if (irb->mt->fast_clear_state != INTEL_FAST_CLEAR_STATE_NO_MCS &&
+ !partial_clear && wm_prog_key.use_simd16_replicated_data &&
+ brw_is_color_fast_clear_compatible(brw, irb->mt,
+ &ctx->Color.ClearColor)) {
+ memset(&wm_push_consts, 0xff, 4*sizeof(float));
+ fast_clear_op = GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE;
+
+ brw_get_fast_clear_rect(brw, fb, irb->mt, &x0, &y0, &x1, &y1);
+ } else {
+ brw_meta_get_buffer_rect(fb, &x0, &y0, &x1, &y1);
+ }
+}
+
+
+brw_blorp_rt_resolve_params::brw_blorp_rt_resolve_params(
+ struct brw_context *brw,
+ struct intel_mipmap_tree *mt)
+{
+ const mesa_format format = _mesa_get_srgb_format_linear(mt->format);
+
+ dst.set(brw, mt, 0 /* level */, 0 /* layer */, format, true);
+
+ brw_get_resolve_rect(brw, mt, &x0, &y0, &x1, &y1);
+
+ fast_clear_op = GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE;
+
+ /* 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 = 0;
+ if (!brw_search_cache(&brw->cache, BRW_CACHE_BLORP_PROG,
+ &this->wm_prog_key, sizeof(this->wm_prog_key),
+ &prog_offset, prog_data)) {
+ brw_blorp_const_color_program prog(brw, &this->wm_prog_key);
+ GLuint program_size;
+ const GLuint *program = prog.compile(brw, &program_size);
+ brw_upload_cache(&brw->cache, BRW_CACHE_BLORP_PROG,
+ &this->wm_prog_key, sizeof(this->wm_prog_key),
+ program, program_size,
+ &prog.prog_data, sizeof(prog.prog_data),
+ &prog_offset, prog_data);
+ }
+ return prog_offset;
+}
+
+void
+brw_blorp_const_color_program::alloc_regs()
+{
+ int reg = 0;
+ this->R0 = retype(brw_vec8_grf(reg++, 0), BRW_REGISTER_TYPE_UW);
+ this->R1 = retype(brw_vec8_grf(reg++, 0), BRW_REGISTER_TYPE_UW);
+
+ prog_data.first_curbe_grf = reg;
+ clear_rgba = retype(brw_vec4_grf(reg++, 0), BRW_REGISTER_TYPE_F);
+ reg += BRW_BLORP_NUM_PUSH_CONST_REGS;
+
+ /* Make sure we didn't run out of registers */
+ assert(reg <= GEN7_MRF_HACK_START);
+
+ this->base_mrf = 2;
+}
+
+const GLuint *
+brw_blorp_const_color_program::compile(struct brw_context *brw,
+ GLuint *program_size)
+{
+ /* Set up prog_data */
+ memset(&prog_data, 0, sizeof(prog_data));
+ prog_data.persample_msaa_dispatch = false;
+
+ alloc_regs();
+
+ brw_set_default_compression_control(&func, BRW_COMPRESSION_COMPRESSED);
+
+ struct brw_reg mrf_rt_write =
+ retype(vec16(brw_message_reg(base_mrf)), BRW_REGISTER_TYPE_F);
+
+ uint32_t mlen, msg_type;
+ if (key->use_simd16_replicated_data) {
+ /* The message payload is a single register with the low 4 floats/ints
+ * filled with the constant clear color.
+ */
+ brw_set_default_exec_size(&func, BRW_EXECUTE_4);
+ brw_set_default_mask_control(&func, BRW_MASK_DISABLE);
+ brw_MOV(&func, vec4(brw_message_reg(base_mrf)), clear_rgba);
+ brw_set_default_mask_control(&func, BRW_MASK_ENABLE);
+ brw_set_default_exec_size(&func, BRW_EXECUTE_16);
+
+ msg_type = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE_REPLICATED;
+ mlen = 1;
+ } else {
+ brw_set_default_exec_size(&func, BRW_EXECUTE_16);
+ for (int i = 0; i < 4; i++) {
+ /* The message payload is pairs of registers for 16 pixels each of r,
+ * g, b, and a.
+ */
+ brw_MOV(&func,
+ brw_message_reg(base_mrf + i * 2),
+ brw_vec1_grf(clear_rgba.nr, i));
+ }
+
+ msg_type = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
+ mlen = 8;
+ }
+
+ /* Now write to the render target and terminate the thread */
+ brw_fb_WRITE(&func,
+ 16 /* dispatch_width */,
+ base_mrf >= 0 ? brw_message_reg(base_mrf) : mrf_rt_write,
+ brw_null_reg() /* header */,
+ msg_type,
+ BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX,
+ mlen,
+ 0 /* response_length */,
+ true /* eot */,
+ true /* last render target */,
+ false /* header present */);
+
+ if (unlikely(INTEL_DEBUG & DEBUG_BLORP)) {
+ fprintf(stderr, "Native code for BLORP clear:\n");
+ brw_disassemble(brw->intelScreen->devinfo,
+ func.store, 0, func.next_insn_offset, stderr);
+ fprintf(stderr, "\n");
+ }
+
+ brw_compact_instructions(&func, 0, 0, NULL);
+ return brw_get_program(&func, program_size);
+}
+
+
+static bool
+do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb, unsigned buf,
+ bool partial_clear, bool encode_srgb, unsigned layer)
+{
+ struct gl_context *ctx = &brw->ctx;
+ struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+
+ brw_blorp_clear_params params(brw, fb, rb, ctx->Color.ColorMask[buf],
+ partial_clear, encode_srgb, layer);
+
+ const bool is_fast_clear =
+ params.fast_clear_op == GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE;
+ if (is_fast_clear) {
+ /* Record the clear color in the miptree so that it will be
+ * programmed in SURFACE_STATE by later rendering and resolve
+ * operations.
+ */
+ brw_meta_set_fast_clear_color(brw, irb->mt, &ctx->Color.ClearColor);
+
+ /* If the buffer is already in INTEL_FAST_CLEAR_STATE_CLEAR, the clear
+ * is redundant and can be skipped.
+ */
+ if (irb->mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_CLEAR)
+ return true;
+
+ /* If the MCS buffer hasn't been allocated yet, we need to allocate
+ * it now.
+ */
+ if (!irb->mt->mcs_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.
+ */
+ return false;
+ }
+ }
+ }
+
+ const char *clear_type;
+ if (is_fast_clear)
+ clear_type = "fast";
+ else if (params.wm_prog_key.use_simd16_replicated_data)
+ clear_type = "replicated";
+ else
+ clear_type = "slow";
+
+ DBG("%s (%s) to mt %p level %d layer %d\n", __FUNCTION__, clear_type,
+ irb->mt, irb->mt_level, irb->mt_layer);
+
+ brw_blorp_exec(brw, &params);
+
+ if (is_fast_clear) {
+ /* Now that the fast clear has occurred, put the buffer in
+ * INTEL_FAST_CLEAR_STATE_CLEAR so that we won't waste time doing
+ * redundant clears.
+ */
+ irb->mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_CLEAR;
+ }
+
+ return true;
+}
+
+
+extern "C" {
+bool
+brw_blorp_clear_color(struct brw_context *brw, struct gl_framebuffer *fb,
+ GLbitfield mask, bool partial_clear, bool encode_srgb)
+{
+ for (unsigned buf = 0; buf < fb->_NumColorDrawBuffers; buf++) {
+ struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buf];
+ struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+
+ /* Only clear the buffers present in the provided mask */
+ if (((1 << fb->_ColorDrawBufferIndexes[buf]) & mask) == 0)
+ continue;
+
+ /* If this is an ES2 context or GL_ARB_ES2_compatibility is supported,
+ * the framebuffer can be complete with some attachments missing. In
+ * this case the _ColorDrawBuffers pointer will be NULL.
+ */
+ if (rb == NULL)
+ continue;
+
+ if (fb->MaxNumLayers > 0) {
+ unsigned layer_multiplier =
+ (irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
+ irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
+ irb->mt->num_samples : 1;
+ unsigned num_layers = irb->layer_count;
+ for (unsigned layer = 0; layer < num_layers; layer++) {
+ if (!do_single_blorp_clear(
+ brw, fb, rb, buf, partial_clear, encode_srgb,
+ irb->mt_layer + layer * layer_multiplier)) {
+ return false;
+ }
+ }
+ } else {
+ unsigned layer = irb->mt_layer;
+ if (!do_single_blorp_clear(brw, fb, rb, buf, partial_clear,
+ encode_srgb, layer))
+ return false;
+ }
+
+ irb->need_downsample = true;
+ }
+
+ 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, &params);
+ mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
+}
+
+} /* extern "C" */
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index c11a3580248..1d3d5b2a1fb 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -161,7 +161,7 @@ enum brw_pipeline {
enum brw_cache_id {
BRW_CACHE_FS_PROG,
- BRW_CACHE_BLORP_BLIT_PROG,
+ BRW_CACHE_BLORP_PROG,
BRW_CACHE_SF_PROG,
BRW_CACHE_VS_PROG,
BRW_CACHE_FF_GS_PROG,
@@ -251,7 +251,7 @@ enum brw_state_id {
* polluting the brw_state_cache code with special cases, we retain the dirty
* bit for now. It should eventually be removed.
*/
-#define BRW_NEW_BLORP_BLIT_PROG_DATA (1ull << BRW_CACHE_BLORP_BLIT_PROG)
+#define BRW_NEW_BLORP_BLIT_PROG_DATA (1ull << BRW_CACHE_BLORP_PROG)
#define BRW_NEW_SF_PROG_DATA (1ull << BRW_CACHE_SF_PROG)
#define BRW_NEW_VS_PROG_DATA (1ull << BRW_CACHE_VS_PROG)
#define BRW_NEW_FF_GS_PROG_DATA (1ull << BRW_CACHE_FF_GS_PROG)