#include "brw_wm.h"
#include "brw_state.h"
#include "main/formats.h"
+#include "main/fbobject.h"
#include "main/samplerobj.h"
#include "program/prog_parameter.h"
-#include "../glsl/ralloc.h"
+#include "glsl/ralloc.h"
/** Return number of src args for given instruction */
GLuint brw_wm_nr_args( GLuint opcode )
brw_wm_emit(c);
}
+
+/**
+ * Return a bitfield where bit n is set if barycentric interpolation mode n
+ * (see enum brw_wm_barycentric_interp_mode) is needed by the fragment shader.
+ */
+static unsigned
+brw_compute_barycentric_interp_modes(bool shade_model_flat,
+ const struct gl_fragment_program *fprog)
+{
+ unsigned barycentric_interp_modes = 0;
+ int attr;
+
+ /* Loop through all fragment shader inputs to figure out what interpolation
+ * modes are in use, and set the appropriate bits in
+ * barycentric_interp_modes.
+ */
+ for (attr = 0; attr < FRAG_ATTRIB_MAX; ++attr) {
+ enum glsl_interp_qualifier interp_qualifier =
+ fprog->InterpQualifier[attr];
+ bool is_gl_Color = attr == FRAG_ATTRIB_COL0 || attr == FRAG_ATTRIB_COL1;
+
+ /* Ignore unused inputs. */
+ if (!(fprog->Base.InputsRead & BITFIELD64_BIT(attr)))
+ continue;
+
+ /* Ignore WPOS and FACE, because they don't require interpolation. */
+ if (attr == FRAG_ATTRIB_WPOS || attr == FRAG_ATTRIB_FACE)
+ continue;
+
+ if (interp_qualifier == INTERP_QUALIFIER_NOPERSPECTIVE) {
+ barycentric_interp_modes |=
+ 1 << BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC;
+ } else if (interp_qualifier == INTERP_QUALIFIER_SMOOTH ||
+ (!(shade_model_flat && is_gl_Color) &&
+ interp_qualifier == INTERP_QUALIFIER_NONE)) {
+ barycentric_interp_modes |=
+ 1 << BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC;
+ }
+ }
+
+ return barycentric_interp_modes;
+}
+
+
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;
+ unsigned barycentric_interp_modes = c->prog_data.barycentric_interp_modes;
+ int i;
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;
+
+ /* R3-26: barycentric interpolation coordinates. These appear in the
+ * same order that they appear in the brw_wm_barycentric_interp_mode
+ * enum. Each set of coordinates occupies 2 registers if dispatch width
+ * == 8 and 4 registers if dispatch width == 16. Coordinates only
+ * appear if they were enabled using the "Barycentric Interpolation
+ * Mode" bits in WM_STATE.
+ */
+ for (i = 0; i < BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT; ++i) {
+ if (barycentric_interp_modes & (1 << i)) {
+ c->barycentric_coord_reg[i] = c->nr_payload_regs;
+ c->nr_payload_regs += 2;
+ 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) {
if (c->fp->program.Base.OutputsWritten &
BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
- c->source_depth_to_render_target = GL_TRUE;
- c->computes_depth = GL_TRUE;
+ c->source_depth_to_render_target = true;
+ c->computes_depth = true;
}
} else {
brw_wm_lookup_iz(intel, c);
*/
return false;
}
- c->instruction = rzalloc_array(c, struct brw_wm_instruction, BRW_WM_MAX_INSN);
- c->prog_instructions = rzalloc_array(c, struct prog_instruction, BRW_WM_MAX_INSN);
- c->vreg = rzalloc_array(c, struct brw_wm_value, BRW_WM_MAX_VREG);
- c->refs = rzalloc_array(c, struct brw_wm_ref, BRW_WM_MAX_REF);
} else {
void *instruction = c->instruction;
void *prog_instructions = c->prog_instructions;
brw_init_compile(brw, &c->func, c);
- if (prog && prog->FragmentProgram) {
+ c->prog_data.barycentric_interp_modes =
+ brw_compute_barycentric_interp_modes(c->key.flat_shade, &fp->program);
+
+ if (prog && prog->_LinkedShaders[MESA_SHADER_FRAGMENT]) {
if (!brw_wm_fs_emit(brw, c, prog))
return false;
} else {
+ if (!c->instruction) {
+ c->instruction = rzalloc_array(c, struct brw_wm_instruction, BRW_WM_MAX_INSN);
+ c->prog_instructions = rzalloc_array(c, struct prog_instruction, BRW_WM_MAX_INSN);
+ c->vreg = rzalloc_array(c, struct brw_wm_value, BRW_WM_MAX_VREG);
+ c->refs = rzalloc_array(c, struct brw_wm_ref, BRW_WM_MAX_REF);
+ }
+
/* Fallback for fixed function and ARB_fp shaders. */
c->dispatch_width = 16;
brw_wm_payload_setup(brw, c);
/* Scratch space is used for register spilling */
if (c->last_scratch) {
- uint32_t total_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 */
- }
- total_scratch = c->prog_data.total_scratch * brw->wm_max_threads;
+ c->prog_data.total_scratch = brw_get_scratch_size(c->last_scratch);
- if (brw->wm.scratch_bo && total_scratch > brw->wm.scratch_bo->size) {
- drm_intel_bo_unreference(brw->wm.scratch_bo);
- brw->wm.scratch_bo = NULL;
- }
- if (brw->wm.scratch_bo == NULL) {
- brw->wm.scratch_bo = drm_intel_bo_alloc(intel->bufmgr,
- "wm scratch",
- total_scratch,
- 4096);
- }
- }
- else {
- c->prog_data.total_scratch = 0;
+ brw_get_scratch_bo(intel, &brw->wm.scratch_bo,
+ c->prog_data.total_scratch * brw->max_wm_threads);
}
if (unlikely(INTEL_DEBUG & DEBUG_WM))
return true;
}
+void
+brw_populate_sampler_prog_key_data(struct gl_context *ctx,
+ struct brw_sampler_prog_key_data *key,
+ int i)
+{
+ const struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
+
+ if (unit->_ReallyEnabled && unit->_Current->Target != GL_TEXTURE_BUFFER) {
+ const struct gl_texture_object *t = unit->_Current;
+ const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
+ struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, i);
+ int swizzles[SWIZZLE_NIL + 1] = {
+ SWIZZLE_X,
+ SWIZZLE_Y,
+ SWIZZLE_Z,
+ SWIZZLE_W,
+ SWIZZLE_ZERO,
+ SWIZZLE_ONE,
+ SWIZZLE_NIL
+ };
+
+ if (img->_BaseFormat == GL_DEPTH_COMPONENT ||
+ img->_BaseFormat == GL_DEPTH_STENCIL) {
+ if (sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB)
+ key->compare_funcs[i] = sampler->CompareFunc;
+
+ /* We handle GL_DEPTH_TEXTURE_MODE here instead of as surface format
+ * overrides because shadow comparison always returns the result of
+ * the comparison in all channels anyway.
+ */
+ switch (sampler->DepthMode) {
+ case GL_ALPHA:
+ swizzles[0] = SWIZZLE_ZERO;
+ swizzles[1] = SWIZZLE_ZERO;
+ swizzles[2] = SWIZZLE_ZERO;
+ swizzles[3] = SWIZZLE_X;
+ break;
+ case GL_LUMINANCE:
+ swizzles[0] = SWIZZLE_X;
+ swizzles[1] = SWIZZLE_X;
+ swizzles[2] = SWIZZLE_X;
+ swizzles[3] = SWIZZLE_ONE;
+ break;
+ case GL_INTENSITY:
+ swizzles[0] = SWIZZLE_X;
+ swizzles[1] = SWIZZLE_X;
+ swizzles[2] = SWIZZLE_X;
+ swizzles[3] = SWIZZLE_X;
+ break;
+ case GL_RED:
+ swizzles[0] = SWIZZLE_X;
+ swizzles[1] = SWIZZLE_ZERO;
+ swizzles[2] = SWIZZLE_ZERO;
+ swizzles[3] = SWIZZLE_ONE;
+ break;
+ }
+ }
+
+ if (img->InternalFormat == GL_YCBCR_MESA) {
+ key->yuvtex_mask |= 1 << i;
+ if (img->TexFormat == MESA_FORMAT_YCBCR)
+ key->yuvtex_swap_mask |= 1 << i;
+ }
+ key->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)]);
+
+ if (sampler->MinFilter != GL_NEAREST &&
+ sampler->MagFilter != GL_NEAREST) {
+ if (sampler->WrapS == GL_CLAMP)
+ key->gl_clamp_mask[0] |= 1 << i;
+ if (sampler->WrapT == GL_CLAMP)
+ key->gl_clamp_mask[1] |= 1 << i;
+ if (sampler->WrapR == GL_CLAMP)
+ key->gl_clamp_mask[2] |= 1 << i;
+ }
+ }
+ else {
+ key->swizzles[i] = SWIZZLE_NOOP;
+ }
+}
static void brw_wm_populate_key( struct brw_context *brw,
struct brw_wm_prog_key *key )
/* BRW_NEW_FRAGMENT_PROGRAM */
const struct brw_fragment_program *fp =
(struct brw_fragment_program *)brw->fragment_program;
+ const struct gl_program *prog = (struct gl_program *) brw->fragment_program;
GLuint lookup = 0;
GLuint line_aa;
GLuint i;
/* _NEW_TEXTURE */
for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
- const struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
-
- if (unit->_ReallyEnabled) {
- const struct gl_texture_object *t = unit->_Current;
- const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
- struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, i);
- int swizzles[SWIZZLE_NIL + 1] = {
- SWIZZLE_X,
- SWIZZLE_Y,
- SWIZZLE_Z,
- SWIZZLE_W,
- SWIZZLE_ZERO,
- SWIZZLE_ONE,
- SWIZZLE_NIL
- };
-
- /* 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 (sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
- key->compare_funcs[i] = sampler->CompareFunc;
-
- if (sampler->DepthMode == GL_ALPHA) {
- swizzles[0] = SWIZZLE_ZERO;
- swizzles[1] = SWIZZLE_ZERO;
- swizzles[2] = SWIZZLE_ZERO;
- } else if (sampler->DepthMode == GL_LUMINANCE) {
- swizzles[3] = SWIZZLE_ONE;
- } else if (sampler->DepthMode == GL_RED) {
- /* See table 3.23 of the GL 3.0 spec. */
- swizzles[1] = SWIZZLE_ZERO;
- swizzles[2] = SWIZZLE_ZERO;
- swizzles[3] = SWIZZLE_ONE;
- }
- }
-
- if (img->InternalFormat == GL_YCBCR_MESA) {
- key->yuvtex_mask |= 1 << i;
- if (img->TexFormat == MESA_FORMAT_YCBCR)
- key->yuvtex_swap_mask |= 1 << i;
- }
-
- 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)]);
-
- if (sampler->MinFilter != GL_NEAREST &&
- sampler->MagFilter != GL_NEAREST) {
- if (sampler->WrapS == GL_CLAMP)
- key->gl_clamp_mask[0] |= 1 << i;
- if (sampler->WrapT == GL_CLAMP)
- key->gl_clamp_mask[1] |= 1 << i;
- if (sampler->WrapR == GL_CLAMP)
- key->gl_clamp_mask[2] |= 1 << i;
- }
- }
- else {
- key->tex_swizzles[i] = SWIZZLE_NOOP;
- }
+ if (prog->TexturesUsed[i])
+ brw_populate_sampler_prog_key_data(ctx, &key->tex, i);
}
/* _NEW_BUFFERS */
*/
if (fp->program.Base.InputsRead & FRAG_BIT_WPOS) {
key->drawable_height = ctx->DrawBuffer->Height;
- key->render_to_fbo = ctx->DrawBuffer->Name != 0;
+ key->render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
}
/* _NEW_BUFFERS */
}
-static void brw_prepare_wm_prog(struct brw_context *brw)
+static void
+brw_upload_wm_prog(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
struct gl_context *ctx = &intel->ctx;
if (!brw_search_cache(&brw->cache, BRW_WM_PROG,
&key, sizeof(key),
&brw->wm.prog_offset, &brw->wm.prog_data)) {
- bool success = do_wm_prog(brw, ctx->Shader.CurrentFragmentProgram, fp,
+ bool success = do_wm_prog(brw, ctx->Shader._CurrentFragmentProgram, fp,
&key);
+ (void) success;
assert(success);
}
}
BRW_NEW_REDUCED_PRIMITIVE),
.cache = CACHE_NEW_VS_PROG,
},
- .prepare = brw_prepare_wm_prog
+ .emit = brw_upload_wm_prog
};
projects / mesa.git / blobdiff