diff options
| -rw-r--r-- | src/gallium/drivers/i915/i915_state.c | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/i915/i915_state_emit.c | 97 |
2 files changed, 41 insertions, 58 deletions
diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c index f412626955d..2812de1fe80 100644 --- a/src/gallium/drivers/i915/i915_state.c +++ b/src/gallium/drivers/i915/i915_state.c @@ -244,7 +244,7 @@ i915_create_sampler_state(struct pipe_context *pipe, /* Shadow: */ - if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) + if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { cso->state[0] |= (SS2_SHADOW_ENABLE | i915_translate_shadow_compare_func(sampler->compare_func)); diff --git a/src/gallium/drivers/i915/i915_state_emit.c b/src/gallium/drivers/i915/i915_state_emit.c index 39fb13aec7e..4f447962bb9 100644 --- a/src/gallium/drivers/i915/i915_state_emit.c +++ b/src/gallium/drivers/i915/i915_state_emit.c @@ -346,97 +346,80 @@ emit_constants(struct i915_context *i915) static const struct { enum pipe_format format; - uint hw_shift_R; - uint hw_shift_G; - uint hw_shift_B; - uint hw_shift_A; + uint hw_swizzle; } fixup_formats[] = { - { PIPE_FORMAT_R8G8B8A8_UNORM, 20, 24, 28, 16 /* BGRA */}, - { PIPE_FORMAT_L8_UNORM, 28, 28, 28, 16 /* RRRA */}, - { PIPE_FORMAT_I8_UNORM, 28, 28, 28, 16 /* RRRA */}, - { PIPE_FORMAT_A8_UNORM, 16, 16, 16, 16 /* AAAA */}, - { PIPE_FORMAT_NONE, 0, 0, 0, 0}, + { PIPE_FORMAT_R8G8B8A8_UNORM, 0x21030000 /* BGRA */}, + { PIPE_FORMAT_L8_UNORM, 0x00030000 /* RRRA */}, + { PIPE_FORMAT_I8_UNORM, 0x00030000 /* RRRA */}, + { PIPE_FORMAT_A8_UNORM, 0x33330000 /* AAAA */}, + { PIPE_FORMAT_NONE, 0x00000000}, }; -static boolean need_fixup(struct pipe_surface* p) +static uint need_target_fixup(struct pipe_surface* p) { enum pipe_format f; - /* if we don't have a surface bound yet, we don't need to fixup the shader */ if (!p) - return FALSE; + return 0; f = p->format; for(int i=0; fixup_formats[i].format != PIPE_FORMAT_NONE; i++) if (fixup_formats[i].format == f) - return TRUE; + return 1; - return FALSE; + return 0; } -static uint fixup_swizzle(enum pipe_format f, uint v) +static uint fixup_swizzle(enum pipe_format f) { - int i; - - for(i=0; fixup_formats[i].format != PIPE_FORMAT_NONE; i++) + for(int i=0; fixup_formats[i].format != PIPE_FORMAT_NONE; i++) if (fixup_formats[i].format == f) - break; - - if (fixup_formats[i].format == PIPE_FORMAT_NONE) - return v; - - uint rgba = v & 0xFFFF0000; + return fixup_formats[i].hw_swizzle; - v &= 0xFFFF; - v |= ((rgba >> fixup_formats[i].hw_shift_R) & 0xF) << 28; - v |= ((rgba >> fixup_formats[i].hw_shift_G) & 0xF) << 24; - v |= ((rgba >> fixup_formats[i].hw_shift_B) & 0xF) << 20; - v |= ((rgba >> fixup_formats[i].hw_shift_A) & 0xF) << 16; - - return v; + return 0; } static void validate_program(struct i915_context *i915, unsigned *batch_space) { - *batch_space = i915->fs->program_len; + struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0]; + uint additional_size = need_target_fixup(cbuf_surface); + + /* we need more batch space if we want to emulate rgba framebuffers */ + *batch_space = i915->fs->program_len + 3 * additional_size; } static void emit_program(struct i915_context *i915) { struct pipe_surface *cbuf_surface = i915->framebuffer.cbufs[0]; - boolean need_format_fixup = need_fixup(cbuf_surface); - int i; - int fixup_offset = -1; + uint target_fixup = need_target_fixup(cbuf_surface); + uint i; /* we should always have, at least, a pass-through program */ assert(i915->fs->program_len > 0); - if (need_format_fixup) { - /* Find where we emit the output color */ - for (i = i915->fs->program_len - 3; i>0; i-=3) { - uint instr = i915->fs->program[i]; - if ((instr & (REG_NR_MASK << A0_DEST_TYPE_SHIFT)) == - (REG_TYPE_OC << A0_DEST_TYPE_SHIFT) ) { - /* Found it! */ - fixup_offset = i + 1; - break; - } - } - if (fixup_offset == -1) { - need_format_fixup = FALSE; - debug_printf("couldn't find fixup offset\n"); - } + { + /* first word has the size, we have to adjust that */ + uint size = (i915->fs->program[0]); + size += target_fixup * 3; + OUT_BATCH(size); } - /* emit the program to the hw */ - for (i = 0; i < i915->fs->program_len; i++) { - if (need_format_fixup && (i == fixup_offset) ) { - uint v = fixup_swizzle(cbuf_surface->format, i915->fs->program[i]); - OUT_BATCH(v); - } else - OUT_BATCH(i915->fs->program[i]); + /* output the declarations of the program */ + for (i=1 ; i < i915->fs->program_len; i++) + OUT_BATCH(i915->fs->program[i]); + + /* we emit an additional mov with swizzle to fake RGBA framebuffers */ + if (target_fixup) { + /* mov out_color, out_color.zyxw */ + OUT_BATCH(A0_MOV | + (REG_TYPE_OC << A0_DEST_TYPE_SHIFT) | + A0_DEST_CHANNEL_ALL | + (REG_TYPE_OC << A0_SRC0_TYPE_SHIFT) | + (T_DIFFUSE << A0_SRC0_NR_SHIFT)); + OUT_BATCH(fixup_swizzle(cbuf_surface->format)); + OUT_BATCH(0); } } |