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-rw-r--r--src/i830.h2
-rw-r--r--src/i965_render.c121
2 files changed, 75 insertions, 48 deletions
diff --git a/src/i830.h b/src/i830.h
index 6465bd63..4e82036b 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -654,6 +654,8 @@ typedef struct _I830Rec {
#define I830PTR(p) ((I830Ptr)((p)->driverPrivate))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+
#define I830_SELECT_FRONT 0
#define I830_SELECT_BACK 1
#define I830_SELECT_DEPTH 2
diff --git a/src/i965_render.c b/src/i965_render.c
index 1b4afcc4..1a3237bb 100644
--- a/src/i965_render.c
+++ b/src/i965_render.c
@@ -102,6 +102,14 @@ static struct blendinfo i965_blend_op[] = {
/* Add */
{0, 0, BRW_BLENDFACTOR_ONE, BRW_BLENDFACTOR_ONE},
};
+/**
+ * Highest-valued BLENDFACTOR used in i965_blend_op.
+ *
+ * This leaves out BRW_BLENDFACTOR_INV_DST_COLOR,
+ * BRW_BLENDFACTOR_INV_CONST_{COLOR,ALPHA},
+ * BRW_BLENDFACTOR_INV_SRC1_{COLOR,ALPHA}
+ */
+#define BRW_BLENDFACTOR_COUNT (BRW_BLENDFACTOR_INV_DST_ALPHA + 1)
/* FIXME: surface format defined in brw_defines.h, shared Sampling engine
* 1.7.2
@@ -272,15 +280,13 @@ static struct brw_sampler_state *mask_sampler_state, mask_sampler_state_local;
static struct brw_vs_unit_state *vs_state, vs_state_local;
static struct brw_sf_unit_state *sf_state, sf_state_local;
static struct brw_wm_unit_state *wm_state, wm_state_local;
-static struct brw_cc_unit_state *cc_state, cc_state_local;
-static struct brw_cc_viewport *cc_viewport;
static uint32_t *binding_table;
static int binding_table_entries;
static int dest_surf_offset, src_surf_offset, mask_surf_offset;
static int src_sampler_offset, mask_sampler_offset,vs_offset;
-static int sf_offset, wm_offset, cc_offset, vb_offset, cc_viewport_offset;
+static int sf_offset, wm_offset, cc_offset, vb_offset;
static int wm_scratch_offset;
static int binding_table_offset;
static int next_offset, total_state_size;
@@ -423,6 +429,11 @@ static const uint32_t ps_kernel_masknoca_projective_static [][4] = {
#define PAD64_MULTI(previous, idx, factor) char previous ## _pad ## idx [(64 - (sizeof(struct previous) * (factor)) % 64) % 64]
#define PAD64(previous, idx) PAD64_MULTI(previous, idx, 1)
+typedef struct _brw_cc_unit_state_padded {
+ struct brw_cc_unit_state state;
+ char pad[64 - sizeof (struct brw_cc_unit_state)];
+} brw_cc_unit_state_padded;
+
/**
* Gen4 rendering state buffer structure.
*
@@ -449,15 +460,58 @@ typedef struct _gen4_state {
struct brw_sampler_default_color sampler_default_color;
PAD64 (brw_sampler_default_color, 0);
+ /* Index by [src_blend][dst_blend] */
+ brw_cc_unit_state_padded cc_state[BRW_BLENDFACTOR_COUNT]
+ [BRW_BLENDFACTOR_COUNT];
+ struct brw_cc_viewport cc_viewport;
+ PAD64 (brw_cc_viewport, 0);
+
uint8_t other_state[65536];
} gen4_state_t;
+static void
+cc_state_init (struct brw_cc_unit_state *cc_state,
+ int src_blend,
+ int dst_blend,
+ int cc_viewport_offset)
+{
+ memset(cc_state, 0, sizeof(*cc_state));
+ cc_state->cc0.stencil_enable = 0; /* disable stencil */
+ cc_state->cc2.depth_test = 0; /* disable depth test */
+ cc_state->cc2.logicop_enable = 0; /* disable logic op */
+ cc_state->cc3.ia_blend_enable = 0; /* blend alpha same as colors */
+ cc_state->cc3.blend_enable = 1; /* enable color blend */
+ cc_state->cc3.alpha_test = 0; /* disable alpha test */
+
+ assert((cc_viewport_offset & 31) == 0);
+ cc_state->cc4.cc_viewport_state_offset = cc_viewport_offset >> 5;
+
+ cc_state->cc5.dither_enable = 0; /* disable dither */
+ cc_state->cc5.logicop_func = 0xc; /* COPY */
+ cc_state->cc5.statistics_enable = 1;
+ cc_state->cc5.ia_blend_function = BRW_BLENDFUNCTION_ADD;
+
+ /* Fill in alpha blend factors same as color, for the future. */
+ cc_state->cc5.ia_src_blend_factor = src_blend;
+ cc_state->cc5.ia_dest_blend_factor = dst_blend;
+
+ cc_state->cc6.blend_function = BRW_BLENDFUNCTION_ADD;
+ cc_state->cc6.clamp_post_alpha_blend = 1;
+ cc_state->cc6.clamp_pre_alpha_blend = 1;
+ cc_state->cc6.clamp_range = 0; /* clamp range [0,1] */
+
+ cc_state->cc6.src_blend_factor = src_blend;
+ cc_state->cc6.dest_blend_factor = dst_blend;
+}
+
/**
* Called at EnterVT to fill in our state buffer with any static information.
*/
static void
-gen4_state_init (gen4_state_t *state)
+gen4_state_init (gen4_state_t *state, uint32_t state_base_offset)
{
+ int i, j;
+
#define KERNEL_COPY(kernel) \
memcpy(state->kernel, kernel ## _static, sizeof(kernel ## _static))
@@ -480,6 +534,17 @@ gen4_state_init (gen4_state_t *state)
state->sampler_default_color.color[2] = 0.0; /* B */
state->sampler_default_color.color[3] = 0.0; /* A */
+ state->cc_viewport.min_depth = -1.e35;
+ state->cc_viewport.max_depth = 1.e35;
+
+ for (i = 0; i < BRW_BLENDFACTOR_COUNT; i++) {
+ for (j = 0; j < BRW_BLENDFACTOR_COUNT; j++) {
+ cc_state_init (&state->cc_state[i][j].state, i, j,
+ state_base_offset +
+ offsetof (gen4_state_t, cc_viewport));
+ }
+ }
+
#undef KERNEL_COPY
}
@@ -572,13 +637,6 @@ i965_prepare_composite(int op, PicturePtr pSrcPicture,
wm_scratch_offset = ALIGN(next_offset, 1024);
next_offset = wm_scratch_offset + PS_SCRATCH_SPACE * PS_MAX_THREADS;
- cc_offset = ALIGN(next_offset, 32);
- next_offset = cc_offset + sizeof(*cc_state);
-
- /* needed? */
- cc_viewport_offset = ALIGN(next_offset, 32);
- next_offset = cc_viewport_offset + sizeof(*cc_viewport);
-
/* for texture sampler */
src_sampler_offset = ALIGN(next_offset, 32);
next_offset = src_sampler_offset + sizeof(*src_sampler_state);
@@ -614,8 +672,6 @@ i965_prepare_composite(int op, PicturePtr pSrcPicture,
assert((state_base_offset & 63) == 0);
state_base = (char *)(pI830->FbBase + state_base_offset);
- cc_viewport = (void *)(state_base + cc_viewport_offset);
-
binding_table = (void *)(state_base + binding_table_offset);
vb = (void *)(state_base + vb_offset);
@@ -654,41 +710,8 @@ i965_prepare_composite(int op, PicturePtr pSrcPicture,
*/
i830WaitSync(pScrn);
- memset (cc_viewport, 0, sizeof (*cc_viewport));
- cc_viewport->min_depth = -1.e35;
- cc_viewport->max_depth = 1.e35;
-
- /* Color calculator state */
- cc_state = &cc_state_local;
- memset(cc_state, 0, sizeof(*cc_state));
- cc_state->cc0.stencil_enable = 0; /* disable stencil */
- cc_state->cc2.depth_test = 0; /* disable depth test */
- cc_state->cc2.logicop_enable = 0; /* disable logic op */
- cc_state->cc3.ia_blend_enable = 1; /* blend alpha just like colors */
- cc_state->cc3.blend_enable = 1; /* enable color blend */
- cc_state->cc3.alpha_test = 0; /* disable alpha test */
- cc_state->cc4.cc_viewport_state_offset = (state_base_offset +
- cc_viewport_offset) >> 5;
- cc_state->cc5.dither_enable = 0; /* disable dither */
- cc_state->cc5.logicop_func = 0xc; /* COPY */
- cc_state->cc5.statistics_enable = 1;
- cc_state->cc5.ia_blend_function = BRW_BLENDFUNCTION_ADD;
i965_get_blend_cntl(op, pMaskPicture, pDstPicture->format,
&src_blend, &dst_blend);
- /* XXX: alpha blend factor should be same as color, but check
- * for CA case in future
- */
- cc_state->cc5.ia_src_blend_factor = src_blend;
- cc_state->cc5.ia_dest_blend_factor = dst_blend;
- cc_state->cc6.blend_function = BRW_BLENDFUNCTION_ADD;
- cc_state->cc6.src_blend_factor = src_blend;
- cc_state->cc6.dest_blend_factor = dst_blend;
- cc_state->cc6.clamp_post_alpha_blend = 1;
- cc_state->cc6.clamp_pre_alpha_blend = 1;
- cc_state->cc6.clamp_range = 0; /* clamp range [0,1] */
-
- cc_state = (void *)(state_base + cc_offset);
- memcpy (cc_state, &cc_state_local, sizeof (cc_state_local));
/* Set up the state buffer for the destination surface */
dest_surf_state = &dest_surf_state_local;
@@ -1096,7 +1119,9 @@ i965_prepare_composite(int op, PicturePtr pSrcPicture,
OUT_BATCH(BRW_CLIP_DISABLE); /* disable CLIP, resulting in passthrough */
OUT_BATCH(state_base_offset + sf_offset); /* 32 byte aligned */
OUT_BATCH(state_base_offset + wm_offset); /* 32 byte aligned */
- OUT_BATCH(state_base_offset + cc_offset); /* 64 byte aligned */
+ /* 64 byte aligned */
+ OUT_BATCH(state_base_offset +
+ offsetof(gen4_state_t, cc_state[src_blend][dst_blend]));
/* URB fence */
OUT_BATCH(BRW_URB_FENCE |
@@ -1391,7 +1416,7 @@ gen4_render_state_init(ScrnInfoPtr pScrn)
state->state_offset = pI830->gen4_render_state_mem->offset;
state->state_addr = pI830->FbBase + pI830->gen4_render_state_mem->offset;
- gen4_state_init((gen4_state_t *)state->state_addr);
+ gen4_state_init((gen4_state_t *)state->state_addr, state->state_offset);
}
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:35:34 +0000