#include "r300_context.h"
#include "r300_screen.h"
+#include "r300_state_inlines.h"
#include "r300_texture.h"
#include "radeon_winsys.h"
boolean is_r500 = r300_screen(screen)->caps->is_r500;
boolean is_z24 = format == PIPE_FORMAT_Z24X8_UNORM ||
format == PIPE_FORMAT_Z24S8_UNORM;
+ boolean is_color2101010 = format == PIPE_FORMAT_A2B10G10R10_UNORM;
if (target >= PIPE_MAX_TEXTURE_TYPES) {
debug_printf("r300: Implementation error: Received bogus texture "
/* Check sampler format support. */
if ((usage & PIPE_TEXTURE_USAGE_SAMPLER) &&
- (is_r500 || !is_z24) && /* Z24 cannot be sampled from on non-r5xx. */
+ /* Z24 cannot be sampled from on non-r5xx. */
+ (is_r500 || !is_z24) &&
r300_is_sampler_format_supported(format)) {
retval |= PIPE_TEXTURE_USAGE_SAMPLER;
}
- switch (format) {
- /* Supported formats. */
- /* Colorbuffer */
- case PIPE_FORMAT_A8_UNORM:
- case PIPE_FORMAT_L8_UNORM:
- case PIPE_FORMAT_R5G6B5_UNORM:
- case PIPE_FORMAT_A1R5G5B5_UNORM:
- case PIPE_FORMAT_A4R4G4B4_UNORM:
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- case PIPE_FORMAT_R8G8B8X8_UNORM:
- case PIPE_FORMAT_I8_UNORM:
- retval |= usage &
- (PIPE_TEXTURE_USAGE_RENDER_TARGET |
- PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY);
- break;
-
- /* ZS buffer */
- case PIPE_FORMAT_Z16_UNORM:
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24S8_UNORM:
- retval = usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
- break;
-
- /* XXX Add all remaining gallium-supported formats,
- * see util/u_format.csv. */
-
- default:;
+ /* Check colorbuffer format support. */
+ if ((usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET |
+ PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_PRIMARY)) &&
+ /* 2101010 cannot be rendered to on non-r5xx. */
+ (is_r500 || !is_color2101010) &&
+ r300_is_colorbuffer_format_supported(format)) {
+ retval |= usage &
+ (PIPE_TEXTURE_USAGE_RENDER_TARGET |
+ PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_PRIMARY);
}
- /* If usage was a mask that contained multiple bits, and not all of them
- * are supported, this will catch that and return FALSE.
- * e.g. usage = 2 | 4; retval = 4; (retval >= usage) == FALSE
- *
- * This also returns FALSE for any unknown formats.
- */
- return (retval >= usage);
+ /* Check depth-stencil format support. */
+ if (usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL &&
+ r300_is_zs_format_supported(format)) {
+ retval |= PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
+ }
+
+ return retval == usage;
}
static struct pipe_transfer*
static INLINE uint32_t r300_translate_colorformat(enum pipe_format format)
{
switch (format) {
- /* 8-bit buffers */
+ /* 8-bit buffers. */
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
case PIPE_FORMAT_L8_UNORM:
+ case PIPE_FORMAT_L8_SRGB:
+ case PIPE_FORMAT_R8_UNORM:
+ case PIPE_FORMAT_R8_SNORM:
return R300_COLOR_FORMAT_I8;
- /* 16-bit buffers */
+
+ /* 16-bit buffers. */
case PIPE_FORMAT_R5G6B5_UNORM:
return R300_COLOR_FORMAT_RGB565;
case PIPE_FORMAT_A1R5G5B5_UNORM:
return R300_COLOR_FORMAT_ARGB1555;
case PIPE_FORMAT_A4R4G4B4_UNORM:
return R300_COLOR_FORMAT_ARGB4444;
- /* 32-bit buffers */
+
+ /* 32-bit buffers. */
case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_SRGB:
case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_SRGB:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_SRGB:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_SRGB:
case PIPE_FORMAT_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ case PIPE_FORMAT_R8G8B8A8_SRGB:
case PIPE_FORMAT_R8G8B8X8_UNORM:
+ case PIPE_FORMAT_R8G8B8X8_SRGB:
+ case PIPE_FORMAT_R8G8B8X8_SNORM:
+ case PIPE_FORMAT_A8B8G8R8_SNORM:
+ case PIPE_FORMAT_X8B8G8R8_SNORM:
+ case PIPE_FORMAT_X8UB8UG8SR8S_NORM:
return R300_COLOR_FORMAT_ARGB8888;
- /* XXX Not in pipe_format
- case PIPE_FORMAT_A32R32G32B32:
- return R300_COLOR_FORMAT_ARGB32323232;
- case PIPE_FORMAT_A16R16G16B16:
+ case PIPE_FORMAT_A2B10G10R10_UNORM:
+ return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */
+
+ /* 64-bit buffers. */
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
return R300_COLOR_FORMAT_ARGB16161616;
- case PIPE_FORMAT_A10R10G10B10_UNORM:
- return R500_COLOR_FORMAT_ARGB10101010;
- case PIPE_FORMAT_A2R10G10B10_UNORM:
- return R500_COLOR_FORMAT_ARGB2101010;
- case PIPE_FORMAT_I10_UNORM:
- return R500_COLOR_FORMAT_I10; */
+
+/* XXX Enable float textures here. */
+#if 0
+ /* 128-bit buffers. */
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return R300_COLOR_FORMAT_ARGB32323232;
+#endif
+
+ /* YUV buffers. */
+ case PIPE_FORMAT_YCBCR:
+ return R300_COLOR_FORMAT_YVYU;
+ case PIPE_FORMAT_YCBCR_REV:
+ return R300_COLOR_FORMAT_VYUY;
default:
- debug_printf("r300: Implementation error: "
- "Got unsupported color format %s in %s\n",
- util_format_name(format), __FUNCTION__);
- assert(0);
- break;
+ return ~0; /* Unsupported. */
}
- return 0;
}
/* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
case PIPE_FORMAT_Z24S8_UNORM:
return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
default:
- debug_printf("r300: Implementation error: "
- "Got unsupported ZS format %s in %s\n",
- util_format_name(format), __FUNCTION__);
- assert(0);
- break;
+ return ~0; /* Unsupported. */
}
- return 0;
}
/* Shader output formats. This is essentially the swizzle from the shader
* Note that formats are stored from C3 to C0. */
static INLINE uint32_t r300_translate_out_fmt(enum pipe_format format)
{
+ uint32_t modifier = 0;
+ unsigned i;
+ const struct util_format_description *desc;
+ static const uint32_t sign_bit[4] = {
+ R300_OUT_SIGN(0x1),
+ R300_OUT_SIGN(0x2),
+ R300_OUT_SIGN(0x4),
+ R300_OUT_SIGN(0x8),
+ };
+
+ desc = util_format_description(format);
+
+ /* Specifies how the shader output is written to the fog unit. */
+ if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
+ /* The gamma correction causes precision loss so we need
+ * higher precision to maintain reasonable quality.
+ * It has nothing to do with the colorbuffer format. */
+ modifier |= R300_US_OUT_FMT_C4_10_GAMMA;
+ } else if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
+ if (desc->channel[0].size == 32) {
+ modifier |= R300_US_OUT_FMT_C4_32_FP;
+ } else {
+ modifier |= R300_US_OUT_FMT_C4_16_FP;
+ }
+ } else {
+ if (desc->channel[0].size == 16) {
+ modifier |= R300_US_OUT_FMT_C4_16;
+ } else {
+ /* C4_8 seems to be used for the formats whose pixel size
+ * is <= 32 bits. */
+ modifier |= R300_US_OUT_FMT_C4_8;
+ }
+ }
+
+ /* Add sign. */
+ for (i = 0; i < 4; i++)
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
+ modifier |= sign_bit[i];
+ }
+
+ /* Add swizzles and return. */
switch (format) {
+ /* 8-bit outputs.
+ * COLORFORMAT_I8 stores the C2 component. */
+ case PIPE_FORMAT_A8_UNORM:
+ return modifier | R300_C2_SEL_A;
+ case PIPE_FORMAT_I8_UNORM:
+ case PIPE_FORMAT_L8_UNORM:
+ case PIPE_FORMAT_L8_SRGB:
+ case PIPE_FORMAT_R8_UNORM:
+ case PIPE_FORMAT_R8_SNORM:
+ return modifier | R300_C2_SEL_R;
+
+ /* ARGB 32-bit outputs. */
case PIPE_FORMAT_R5G6B5_UNORM:
- /* C_5_6_5 is missing in US_OUT_FMT, but C4_8 works just fine. */
case PIPE_FORMAT_A1R5G5B5_UNORM:
- /* C_1_5_5_5 is missing in US_OUT_FMT, but C4_8 works just fine. */
case PIPE_FORMAT_A4R4G4B4_UNORM:
- /* C4_4 is missing in US_OUT_FMT, but C4_8 works just fine. */
case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_SRGB:
case PIPE_FORMAT_X8R8G8B8_UNORM:
- return R300_US_OUT_FMT_C4_8 |
+ case PIPE_FORMAT_X8R8G8B8_SRGB:
+ return modifier |
R300_C0_SEL_B | R300_C1_SEL_G |
R300_C2_SEL_R | R300_C3_SEL_A;
+
+ /* BGRA 32-bit outputs. */
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_SRGB:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_SRGB:
+ return modifier |
+ R300_C0_SEL_A | R300_C1_SEL_R |
+ R300_C2_SEL_G | R300_C3_SEL_B;
+
+ /* RGBA 32-bit outputs. */
case PIPE_FORMAT_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ case PIPE_FORMAT_R8G8B8A8_SRGB:
case PIPE_FORMAT_R8G8B8X8_UNORM:
- return R300_US_OUT_FMT_C4_8 |
+ case PIPE_FORMAT_R8G8B8X8_SRGB:
+ case PIPE_FORMAT_R8G8B8X8_SNORM:
+ return modifier |
R300_C0_SEL_A | R300_C1_SEL_B |
R300_C2_SEL_G | R300_C3_SEL_R;
- /* 8-bit outputs */
- case PIPE_FORMAT_A8_UNORM:
- return R300_US_OUT_FMT_C4_8 |
- R300_C2_SEL_A;
- case PIPE_FORMAT_I8_UNORM:
- case PIPE_FORMAT_L8_UNORM:
- return R300_US_OUT_FMT_C4_8 |
- R300_C2_SEL_R;
- /* R300_OUT_SIGN(x) */
+ /* ABGR 32-bit outputs. */
+ case PIPE_FORMAT_A8B8G8R8_SNORM:
+ case PIPE_FORMAT_X8B8G8R8_SNORM:
+ case PIPE_FORMAT_X8UB8UG8SR8S_NORM:
+ case PIPE_FORMAT_A2B10G10R10_UNORM:
+ /* RGBA high precision outputs (same swizzles as ABGR low precision) */
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return modifier |
+ R300_C0_SEL_R | R300_C1_SEL_G |
+ R300_C2_SEL_B | R300_C3_SEL_A;
+
default:
- debug_printf("r300: Implementation error: "
- "Got unsupported output format %s in %s\n",
- util_format_name(format), __FUNCTION__);
- assert(0);
- return R300_US_OUT_FMT_UNUSED;
+ return ~0; /* Unsupported. */
}
- return 0;
+}
+
+static INLINE
+boolean r300_is_zs_format_supported(enum pipe_format format)
+{
+ return r300_translate_zsformat(format) != ~0;
+}
+
+static INLINE
+boolean r300_is_colorbuffer_format_supported(enum pipe_format format)
+{
+ return r300_translate_colorformat(format) != ~0 &&
+ r300_translate_out_fmt(format) != ~0;
}
/* Non-CSO state. (For now.) */
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