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Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
-rw-r--r--src/gallium/drivers/r300/r300_state_derived.c163
1 files changed, 123 insertions, 40 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index 2ef9766578..4a63ed7fc1 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -46,6 +46,11 @@ enum r300_rs_swizzle {
SWIZ_0001,
};
+enum r300_rs_col_write_type {
+ WRITE_COLOR = 0,
+ WRITE_FACE
+};
+
static void r300_draw_emit_attrib(struct r300_context* r300,
enum attrib_emit emit,
enum interp_mode interp,
@@ -203,8 +208,10 @@ static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr,
rs->inst[id] |= R300_RS_INST_COL_ID(id);
}
-static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset)
+static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset,
+ enum r300_rs_col_write_type type)
{
+ assert(type != WRITE_COLOR);
rs->inst[id] |= R300_RS_INST_COL_CN_WRITE |
R300_RS_INST_COL_ADDR(fp_offset);
}
@@ -213,19 +220,19 @@ static void r300_rs_tex(struct r300_rs_block* rs, int id, int ptr,
enum r300_rs_swizzle swiz)
{
if (swiz == SWIZ_X001) {
- rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) |
+ rs->ip[id] |= R300_RS_TEX_PTR(ptr) |
R300_RS_SEL_S(R300_RS_SEL_C0) |
R300_RS_SEL_T(R300_RS_SEL_K0) |
R300_RS_SEL_R(R300_RS_SEL_K0) |
R300_RS_SEL_Q(R300_RS_SEL_K1);
} else if (swiz == SWIZ_XY01) {
- rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) |
+ rs->ip[id] |= R300_RS_TEX_PTR(ptr) |
R300_RS_SEL_S(R300_RS_SEL_C0) |
R300_RS_SEL_T(R300_RS_SEL_C1) |
R300_RS_SEL_R(R300_RS_SEL_K0) |
R300_RS_SEL_Q(R300_RS_SEL_K1);
} else {
- rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) |
+ rs->ip[id] |= R300_RS_TEX_PTR(ptr) |
R300_RS_SEL_S(R300_RS_SEL_C0) |
R300_RS_SEL_T(R300_RS_SEL_C1) |
R300_RS_SEL_R(R300_RS_SEL_C2) |
@@ -252,32 +259,36 @@ static void r500_rs_col(struct r300_rs_block* rs, int id, int ptr,
rs->inst[id] |= R500_RS_INST_COL_ID(id);
}
-static void r500_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset)
+static void r500_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset,
+ enum r300_rs_col_write_type type)
{
- rs->inst[id] |= R500_RS_INST_COL_CN_WRITE |
- R500_RS_INST_COL_ADDR(fp_offset);
+ if (type == WRITE_FACE)
+ rs->inst[id] |= R500_RS_INST_COL_CN_WRITE_BACKFACE |
+ R500_RS_INST_COL_ADDR(fp_offset);
+ else
+ rs->inst[id] |= R500_RS_INST_COL_CN_WRITE |
+ R500_RS_INST_COL_ADDR(fp_offset);
+
}
static void r500_rs_tex(struct r300_rs_block* rs, int id, int ptr,
enum r300_rs_swizzle swiz)
{
- int rs_tex_comp = ptr*4;
-
if (swiz == SWIZ_X001) {
- rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) |
+ rs->ip[id] |= R500_RS_SEL_S(ptr) |
R500_RS_SEL_T(R500_RS_IP_PTR_K0) |
R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
} else if (swiz == SWIZ_XY01) {
- rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) |
- R500_RS_SEL_T(rs_tex_comp + 1) |
+ rs->ip[id] |= R500_RS_SEL_S(ptr) |
+ R500_RS_SEL_T(ptr + 1) |
R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
} else {
- rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) |
- R500_RS_SEL_T(rs_tex_comp + 1) |
- R500_RS_SEL_R(rs_tex_comp + 2) |
- R500_RS_SEL_Q(rs_tex_comp + 3);
+ rs->ip[id] |= R500_RS_SEL_S(ptr) |
+ R500_RS_SEL_T(ptr + 1) |
+ R500_RS_SEL_R(ptr + 2) |
+ R500_RS_SEL_Q(ptr + 3);
}
rs->inst[id] |= R500_RS_INST_TEX_ID(id);
}
@@ -305,9 +316,9 @@ static void r300_update_rs_block(struct r300_context *r300)
struct r300_shader_semantics *vs_outputs = &vs->outputs;
struct r300_shader_semantics *fs_inputs = &r300_fs(r300)->shader->inputs;
struct r300_rs_block rs = {0};
- int i, col_count = 0, tex_count = 0, fp_offset = 0, count, loc = 0;
+ int i, col_count = 0, tex_count = 0, fp_offset = 0, count, loc = 0, tex_ptr = 0;
void (*rX00_rs_col)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
- void (*rX00_rs_col_write)(struct r300_rs_block*, int, int);
+ void (*rX00_rs_col_write)(struct r300_rs_block*, int, int, enum r300_rs_col_write_type);
void (*rX00_rs_tex)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
void (*rX00_rs_tex_write)(struct r300_rs_block*, int, int);
boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED ||
@@ -326,6 +337,11 @@ static void r300_update_rs_block(struct r300_context *r300)
rX00_rs_tex_write = r300_rs_tex_write;
}
+ /* 0x5555 copied from classic, which means:
+ * Select user color 0 for COLOR0 up to COLOR7.
+ * What the hell does that mean? */
+ rs.vap_vtx_state_cntl = 0x5555;
+
/* The position is always present in VAP. */
rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_POS;
rs.vap_out_vtx_fmt[0] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
@@ -352,7 +368,7 @@ static void r300_update_rs_block(struct r300_context *r300)
/* Write it to the FS input register if it's needed by the FS. */
if (fs_inputs->color[i] != ATTR_UNUSED) {
- rX00_rs_col_write(&rs, col_count, fp_offset);
+ rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_COLOR);
fp_offset++;
DBG(r300, DBG_RS,
@@ -393,12 +409,31 @@ static void r300_update_rs_block(struct r300_context *r300)
stream_loc_notcl[loc++] = 6 + tex_count;
/* Rasterize it. */
- rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_XYZW);
+ rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_XYZW);
tex_count++;
+ tex_ptr += 4;
}
}
}
+ /* gl_FrontFacing.
+ * Note that we can use either the two-sided color selection based on
+ * the front and back vertex shader colors, or gl_FrontFacing,
+ * but not both! It locks up otherwise.
+ *
+ * In Direct3D 9, the two-sided color selection can be used
+ * with shaders 2.0 only, while gl_FrontFacing can be used
+ * with shaders 3.0 only. The hardware apparently hasn't been designed
+ * to support both at the same time. */
+ if (r300->screen->caps.is_r500 && fs_inputs->face != ATTR_UNUSED &&
+ !(any_bcolor_used && r300->two_sided_color)) {
+ rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW);
+ rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_FACE);
+ fp_offset++;
+ col_count++;
+ DBG(r300, DBG_RS, "r300: Rasterized FACE written to FS.\n");
+ }
+
/* Rasterize texture coordinates. */
for (i = 0; i < ATTR_GENERIC_COUNT && tex_count < 8; i++) {
bool sprite_coord = !!(r300->sprite_coord_enable & (1 << i));
@@ -412,7 +447,7 @@ static void r300_update_rs_block(struct r300_context *r300)
}
/* Rasterize it. */
- rX00_rs_tex(&rs, tex_count, tex_count,
+ rX00_rs_tex(&rs, tex_count, tex_ptr,
sprite_coord ? SWIZ_XY01 : SWIZ_XYZW);
/* Write it to the FS input register if it's needed by the FS. */
@@ -429,6 +464,7 @@ static void r300_update_rs_block(struct r300_context *r300)
i, sprite_coord ? " (sprite coord)" : "");
}
tex_count++;
+ tex_ptr += sprite_coord ? 2 : 4;
} else {
/* Skip the FS input register, leave it uninitialized. */
/* If we try to set it to (0,0,0,1), it will lock up. */
@@ -449,7 +485,7 @@ static void r300_update_rs_block(struct r300_context *r300)
stream_loc_notcl[loc++] = 6 + tex_count;
/* Rasterize it. */
- rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_X001);
+ rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_X001);
/* Write it to the FS input register if it's needed by the FS. */
if (fs_inputs->fog != ATTR_UNUSED) {
@@ -461,6 +497,7 @@ static void r300_update_rs_block(struct r300_context *r300)
DBG(r300, DBG_RS, "r300: Rasterized fog unused.\n");
}
tex_count++;
+ tex_ptr += 4;
} else {
/* Skip the FS input register, leave it uninitialized. */
/* If we try to set it to (0,0,0,1), it will lock up. */
@@ -480,7 +517,7 @@ static void r300_update_rs_block(struct r300_context *r300)
stream_loc_notcl[loc++] = 6 + tex_count;
/* Rasterize it. */
- rX00_rs_tex(&rs, tex_count, tex_count, SWIZ_XYZW);
+ rX00_rs_tex(&rs, tex_count, tex_ptr, SWIZ_XYZW);
/* Write it to the FS input register. */
rX00_rs_tex_write(&rs, tex_count, fp_offset);
@@ -489,6 +526,7 @@ static void r300_update_rs_block(struct r300_context *r300)
fp_offset++;
tex_count++;
+ tex_ptr += 4;
}
/* Invalidate the rest of the no-TCL (GA) stream locations. */
@@ -507,7 +545,7 @@ static void r300_update_rs_block(struct r300_context *r300)
DBG(r300, DBG_RS, "r300: --- Rasterizer status ---: colors: %i, "
"generics: %i.\n", col_count, tex_count);
- rs.count = (tex_count*4) | (col_count << R300_IC_COUNT_SHIFT) |
+ rs.count = MIN2(tex_ptr, 32) | (col_count << R300_IC_COUNT_SHIFT) |
R300_HIRES_EN;
count = MAX3(col_count, tex_count, 1);
@@ -528,15 +566,9 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300)
struct r300_sampler_state *sampler;
struct r300_sampler_view *view;
struct r300_texture *tex;
- unsigned min_level, max_level, i, size;
+ unsigned min_level, max_level, i, j, size;
unsigned count = MIN2(state->sampler_view_count,
state->sampler_state_count);
- unsigned char depth_swizzle[4] = {
- UTIL_FORMAT_SWIZZLE_X,
- UTIL_FORMAT_SWIZZLE_X,
- UTIL_FORMAT_SWIZZLE_X,
- UTIL_FORMAT_SWIZZLE_X
- };
/* The KIL opcode fix, see below. */
if (!count && !r300->screen->caps.is_r500)
@@ -563,14 +595,29 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300)
/* Assign a texture cache region. */
texstate->format.format1 |= view->texcache_region;
- /* If compare mode is disabled, the sampler view swizzles
- * are stored in the format.
- * Otherwise, swizzles must be applied after the compare mode
- * in the fragment shader. */
- if (util_format_is_depth_or_stencil(tex->b.b.format)) {
+ /* Depth textures are kinda special. */
+ if (util_format_is_depth_or_stencil(tex->desc.b.b.format)) {
+ unsigned char depth_swizzle[4];
+
+ if (!r300->screen->caps.is_r500 &&
+ util_format_get_blocksizebits(tex->desc.b.b.format) == 32) {
+ /* X24x8 is sampled as Y16X16 on r3xx-r4xx.
+ * The depth here is at the Y component. */
+ for (j = 0; j < 4; j++)
+ depth_swizzle[j] = UTIL_FORMAT_SWIZZLE_Y;
+ } else {
+ for (j = 0; j < 4; j++)
+ depth_swizzle[j] = UTIL_FORMAT_SWIZZLE_X;
+ }
+
+ /* If compare mode is disabled, sampler view swizzles
+ * are stored in the format.
+ * Otherwise, the swizzles must be applied after the compare
+ * mode in the fragment shader. */
if (sampler->state.compare_mode == PIPE_TEX_COMPARE_NONE) {
texstate->format.format1 |=
- r300_get_swizzle_combined(depth_swizzle, view->swizzle);
+ r300_get_swizzle_combined(depth_swizzle,
+ view->swizzle);
} else {
texstate->format.format1 |=
r300_get_swizzle_combined(depth_swizzle, 0);
@@ -578,12 +625,12 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300)
}
/* to emulate 1D textures through 2D ones correctly */
- if (tex->b.b.target == PIPE_TEXTURE_1D) {
+ if (tex->desc.b.b.target == PIPE_TEXTURE_1D) {
texstate->filter0 &= ~R300_TX_WRAP_T_MASK;
texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
}
- if (tex->uses_pitch) {
+ if (tex->desc.is_npot) {
/* NPOT textures don't support mip filter, unfortunately.
* This prevents incorrect rendering. */
texstate->filter0 &= ~R300_TX_MIN_FILTER_MIP_MASK;
@@ -610,7 +657,7 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300)
/* determine min/max levels */
/* the MAX_MIP level is the largest (finest) one */
max_level = MIN3(sampler->max_lod + view->base.first_level,
- tex->b.b.last_level, view->base.last_level);
+ tex->desc.b.b.last_level, view->base.last_level);
min_level = MIN2(sampler->min_lod + view->base.first_level,
max_level);
texstate->format.format0 |= R300_TX_NUM_LEVELS(max_level);
@@ -665,8 +712,44 @@ static void r300_merge_textures_and_samplers(struct r300_context* r300)
}
}
+/* We can't use compressed zbuffers as samplers. */
+static void r300_flush_depth_textures(struct r300_context *r300)
+{
+ struct r300_textures_state *state =
+ (struct r300_textures_state*)r300->textures_state.state;
+ unsigned i, level;
+ unsigned count = MIN2(state->sampler_view_count,
+ state->sampler_state_count);
+
+ if (r300->z_decomp_rd)
+ return;
+
+ for (i = 0; i < count; i++)
+ if (state->sampler_views[i] && state->sampler_states[i]) {
+ struct pipe_resource *tex = state->sampler_views[i]->base.texture;
+
+ if (tex->target == PIPE_TEXTURE_3D ||
+ tex->target == PIPE_TEXTURE_CUBE)
+ continue;
+
+ /* Ignore non-depth textures.
+ * Also ignore reinterpreted depth textures, e.g. resource_copy. */
+ if (!util_format_is_depth_or_stencil(tex->format))
+ continue;
+
+ for (level = 0; level <= tex->last_level; level++)
+ if (r300_texture(tex)->zmask_in_use[level]) {
+ /* We don't handle 3D textures and cubemaps yet. */
+ r300_flush_depth_stencil(&r300->context, tex,
+ u_subresource(0, level), 0);
+ }
+ }
+}
+
void r300_update_derived_state(struct r300_context* r300)
{
+ r300_flush_depth_textures(r300);
+
if (r300->textures_state.dirty) {
r300_merge_textures_and_samplers(r300);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-08 21:50:56 +0000