* Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "main/texformat.h"
#include "brw_context.h"
-#include "brw_util.h"
#include "brw_wm.h"
#include "brw_state.h"
-
+#include "main/formats.h"
/** Return number of src args for given instruction */
GLuint brw_wm_nr_args( GLuint opcode )
case OPCODE_RCP:
case OPCODE_RSQ:
case OPCODE_SIN:
+ case OPCODE_DP2:
case OPCODE_DP3:
case OPCODE_DP4:
case OPCODE_DPH:
/* how many general-purpose registers are used */
c->prog_data.total_grf = c->max_wm_grf;
- /* Scratch space is used for register spilling */
- if (c->last_scratch) {
- c->prog_data.total_scratch = c->last_scratch + 0x40;
- }
- else {
- c->prog_data.total_scratch = 0;
- }
-
/* Emit GEN4 code.
*/
brw_wm_emit(c);
}
+static void
+brw_wm_payload_setup(struct brw_context *brw,
+ struct brw_wm_compile *c)
+{
+ struct intel_context *intel = &brw->intel;
+ bool uses_depth = (c->fp->program.Base.InputsRead &
+ (1 << FRAG_ATTRIB_WPOS)) != 0;
+
+ if (intel->gen >= 6) {
+ /* R0-1: masks, pixel X/Y coordinates. */
+ c->nr_payload_regs = 2;
+ /* R2: only for 32-pixel dispatch.*/
+ /* R3-4: perspective pixel location barycentric */
+ c->nr_payload_regs += 2;
+ /* R5-6: perspective pixel location bary for dispatch width != 8 */
+ if (c->dispatch_width == 16) {
+ c->nr_payload_regs += 2;
+ }
+ /* R7-10: perspective centroid barycentric */
+ /* R11-14: perspective sample barycentric */
+ /* R15-18: linear pixel location barycentric */
+ /* R19-22: linear centroid barycentric */
+ /* R23-26: linear sample barycentric */
+
+ /* R27: interpolated depth if uses source depth */
+ if (uses_depth) {
+ c->source_depth_reg = c->nr_payload_regs;
+ c->nr_payload_regs++;
+ if (c->dispatch_width == 16) {
+ /* R28: interpolated depth if not 8-wide. */
+ c->nr_payload_regs++;
+ }
+ }
+ /* R29: interpolated W set if GEN6_WM_USES_SOURCE_W.
+ */
+ if (uses_depth) {
+ c->source_w_reg = c->nr_payload_regs;
+ c->nr_payload_regs++;
+ if (c->dispatch_width == 16) {
+ /* R30: interpolated W if not 8-wide. */
+ c->nr_payload_regs++;
+ }
+ }
+ /* R31: MSAA position offsets. */
+ /* R32-: bary for 32-pixel. */
+ /* R58-59: interp W for 32-pixel. */
+
+ if (c->fp->program.Base.OutputsWritten &
+ BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
+ c->source_depth_to_render_target = GL_TRUE;
+ c->computes_depth = GL_TRUE;
+ }
+ } else {
+ brw_wm_lookup_iz(intel, c);
+ }
+}
/**
* All Mesa program -> GPU code generation goes through this function.
*/
return;
}
+ c->instruction = calloc(1, BRW_WM_MAX_INSN * sizeof(*c->instruction));
+ c->prog_instructions = calloc(1, BRW_WM_MAX_INSN *
+ sizeof(*c->prog_instructions));
+ c->vreg = calloc(1, BRW_WM_MAX_VREG * sizeof(*c->vreg));
+ c->refs = calloc(1, BRW_WM_MAX_REF * sizeof(*c->refs));
} else {
+ void *instruction = c->instruction;
+ void *prog_instructions = c->prog_instructions;
+ void *vreg = c->vreg;
+ void *refs = c->refs;
memset(c, 0, sizeof(*brw->wm.compile_data));
+ c->instruction = instruction;
+ c->prog_instructions = prog_instructions;
+ c->vreg = vreg;
+ c->refs = refs;
}
memcpy(&c->key, key, sizeof(*key));
brw_init_compile(brw, &c->func);
- /* temporary sanity check assertion */
- ASSERT(fp->isGLSL == brw_wm_is_glsl(&c->fp->program));
+ brw_wm_payload_setup(brw, c);
- /*
- * Shader which use GLSL features such as flow control are handled
- * differently from "simple" shaders.
- */
- if (fp->isGLSL) {
- c->dispatch_width = 8;
- brw_wm_glsl_emit(brw, c);
- }
- else {
+ if (!brw_wm_fs_emit(brw, c)) {
+ /*
+ * Shader which use GLSL features such as flow control are handled
+ * differently from "simple" shaders.
+ */
c->dispatch_width = 16;
+ brw_wm_payload_setup(brw, c);
brw_wm_non_glsl_emit(brw, c);
}
+ c->prog_data.dispatch_width = c->dispatch_width;
+
+ /* Scratch space is used for register spilling */
+ if (c->last_scratch) {
+ /* Per-thread scratch space is power-of-two sized. */
+ for (c->prog_data.total_scratch = 1024;
+ c->prog_data.total_scratch <= c->last_scratch;
+ c->prog_data.total_scratch *= 2) {
+ /* empty */
+ }
+ }
+ else {
+ c->prog_data.total_scratch = 0;
+ }
- if (INTEL_DEBUG & DEBUG_WM)
+ if (unlikely(INTEL_DEBUG & DEBUG_WM))
fprintf(stderr, "\n");
/* get the program
*/
program = brw_get_program(&c->func, &program_size);
- dri_bo_unreference(brw->wm.prog_bo);
- brw->wm.prog_bo = brw_upload_cache( &brw->cache, BRW_WM_PROG,
- &c->key, sizeof(c->key),
- NULL, 0,
- program, program_size,
- &c->prog_data,
- &brw->wm.prog_data );
+ drm_intel_bo_unreference(brw->wm.prog_bo);
+ brw->wm.prog_bo = brw_upload_cache_with_auxdata(&brw->cache, BRW_WM_PROG,
+ &c->key, sizeof(c->key),
+ NULL, 0,
+ program, program_size,
+ &c->prog_data,
+ sizeof(c->prog_data),
+ &brw->wm.prog_data);
}
static void brw_wm_populate_key( struct brw_context *brw,
struct brw_wm_prog_key *key )
{
- GLcontext *ctx = &brw->intel.ctx;
+ struct gl_context *ctx = &brw->intel.ctx;
/* BRW_NEW_FRAGMENT_PROGRAM */
const struct brw_fragment_program *fp =
(struct brw_fragment_program *)brw->fragment_program;
- GLboolean uses_depth = (fp->program.Base.InputsRead & (1 << FRAG_ATTRIB_WPOS)) != 0;
GLuint lookup = 0;
GLuint line_aa;
GLuint i;
ctx->Color.AlphaEnabled)
lookup |= IZ_PS_KILL_ALPHATEST_BIT;
- if (fp->program.Base.OutputsWritten & (1<<FRAG_RESULT_DEPTH))
+ if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
/* _NEW_DEPTH */
}
}
}
-
- brw_wm_lookup_iz(line_aa,
- lookup,
- uses_depth,
- key);
+ key->iz_lookup = lookup;
+ key->line_aa = line_aa;
+ key->stats_wm = brw->intel.stats_wm;
/* BRW_NEW_WM_INPUT_DIMENSIONS */
key->proj_attrib_mask = brw->wm.input_size_masks[4-1];
if (unit->_ReallyEnabled) {
const struct gl_texture_object *t = unit->_Current;
const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
+ int swizzles[SWIZZLE_NIL + 1] = {
+ SWIZZLE_X,
+ SWIZZLE_Y,
+ SWIZZLE_Z,
+ SWIZZLE_W,
+ SWIZZLE_ZERO,
+ SWIZZLE_ONE,
+ SWIZZLE_NIL
+ };
+
+ key->tex_swizzles[i] = SWIZZLE_NOOP;
+
+ /* GL_DEPTH_TEXTURE_MODE is normally handled through
+ * brw_wm_surface_state, but it applies to shadow compares as
+ * well and our shadow compares always return the result in
+ * all 4 channels.
+ */
+ if (t->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
+ if (t->DepthMode == GL_ALPHA) {
+ swizzles[0] = SWIZZLE_ZERO;
+ swizzles[1] = SWIZZLE_ZERO;
+ swizzles[2] = SWIZZLE_ZERO;
+ } else if (t->DepthMode == GL_LUMINANCE) {
+ swizzles[3] = SWIZZLE_ONE;
+ } else if (t->DepthMode == GL_RED) {
+ swizzles[1] = SWIZZLE_ZERO;
+ swizzles[2] = SWIZZLE_ZERO;
+ swizzles[3] = SWIZZLE_ZERO;
+ }
+ }
+
if (img->InternalFormat == GL_YCBCR_MESA) {
key->yuvtex_mask |= 1 << i;
- if (img->TexFormat->MesaFormat == MESA_FORMAT_YCBCR)
+ if (img->TexFormat == MESA_FORMAT_YCBCR)
key->yuvtex_swap_mask |= 1 << i;
}
- key->tex_swizzles[i] = t->_Swizzle;
+ key->tex_swizzles[i] =
+ MAKE_SWIZZLE4(swizzles[GET_SWZ(t->_Swizzle, 0)],
+ swizzles[GET_SWZ(t->_Swizzle, 1)],
+ swizzles[GET_SWZ(t->_Swizzle, 2)],
+ swizzles[GET_SWZ(t->_Swizzle, 3)]);
}
else {
key->tex_swizzles[i] = SWIZZLE_NOOP;
* from the incoming screen origin relative position we get as part of our
* payload.
*
+ * This is only needed for the WM_WPOSXY opcode when the fragment program
+ * uses the gl_FragCoord input.
+ *
* We could avoid recompiling by including this as a constant referenced by
* our program, but if we were to do that it would also be nice to handle
* getting that constant updated at batchbuffer submit time (when we
* just avoid using this as key data if the program doesn't use
* fragment.position.
*
- * This pretty much becomes moot with DRI2 and redirected buffers anyway,
- * as our origins will always be zero then.
+ * For DRI2 the origin_x/y will always be (0,0) but we still need the
+ * drawable height in order to invert the Y axis.
*/
- if (brw->intel.driDrawable != NULL) {
- key->origin_x = brw->intel.driDrawable->x;
- key->origin_y = brw->intel.driDrawable->y;
- key->drawable_height = brw->intel.driDrawable->h;
+ if (fp->program.Base.InputsRead & FRAG_BIT_WPOS) {
+ key->drawable_height = ctx->DrawBuffer->Height;
+ key->render_to_fbo = ctx->DrawBuffer->Name != 0;
}
+ /* _NEW_BUFFERS */
+ key->nr_color_regions = ctx->DrawBuffer->_NumColorDrawBuffers;
+
/* CACHE_NEW_VS_PROG */
- key->vp_outputs_written = brw->vs.prog_data->outputs_written & DO_SETUP_BITS;
+ key->vp_outputs_written = brw->vs.prog_data->outputs_written;
/* The unique fragment program ID */
key->program_string_id = fp->id;
/* Make an early check for the key.
*/
- dri_bo_unreference(brw->wm.prog_bo);
+ drm_intel_bo_unreference(brw->wm.prog_bo);
brw->wm.prog_bo = brw_search_cache(&brw->cache, BRW_WM_PROG,
&key, sizeof(key),
NULL, 0,
projects / mesa.git / blobdiff