[Mesa-dev] [PATCH 21/23] radeonsi: move format handling into si_state.c
Christian König
deathsimple at vodafone.de
Fri Jul 20 03:22:08 PDT 2012
Signed-off-by: Christian König <deathsimple at vodafone.de>
---
src/gallium/drivers/radeonsi/evergreen_state.c | 534 ------------------------
src/gallium/drivers/radeonsi/radeonsi_pipe.h | 9 -
src/gallium/drivers/radeonsi/si_state.c | 100 +++++
src/gallium/drivers/radeonsi/si_state.h | 9 +
4 files changed, 109 insertions(+), 543 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/evergreen_state.c b/src/gallium/drivers/radeonsi/evergreen_state.c
index 441a09b..f362753 100644
--- a/src/gallium/drivers/radeonsi/evergreen_state.c
+++ b/src/gallium/drivers/radeonsi/evergreen_state.c
@@ -76,540 +76,6 @@ static uint32_t r600_translate_stencil_op(int s_op)
}
#endif
-static uint32_t si_translate_dbformat(enum pipe_format format)
-{
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- return V_028040_Z_16;
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- return V_028040_Z_24; /* XXX no longer supported on SI */
- case PIPE_FORMAT_Z32_FLOAT:
- case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
- return V_028040_Z_32_FLOAT;
- default:
- return ~0U;
- }
-}
-
-static uint32_t si_translate_colorswap(enum pipe_format format)
-{
- switch (format) {
- /* 8-bit buffers. */
- case PIPE_FORMAT_L4A4_UNORM:
- case PIPE_FORMAT_A4R4_UNORM:
- return V_028C70_SWAP_ALT;
-
- case PIPE_FORMAT_A8_UNORM:
- case PIPE_FORMAT_A8_UINT:
- case PIPE_FORMAT_A8_SINT:
- case PIPE_FORMAT_R4A4_UNORM:
- return V_028C70_SWAP_ALT_REV;
- case PIPE_FORMAT_I8_UNORM:
- case PIPE_FORMAT_L8_UNORM:
- case PIPE_FORMAT_I8_UINT:
- case PIPE_FORMAT_I8_SINT:
- case PIPE_FORMAT_L8_UINT:
- case PIPE_FORMAT_L8_SINT:
- case PIPE_FORMAT_L8_SRGB:
- case PIPE_FORMAT_R8_UNORM:
- case PIPE_FORMAT_R8_SNORM:
- case PIPE_FORMAT_R8_UINT:
- case PIPE_FORMAT_R8_SINT:
- return V_028C70_SWAP_STD;
-
- /* 16-bit buffers. */
- case PIPE_FORMAT_B5G6R5_UNORM:
- return V_028C70_SWAP_STD_REV;
-
- case PIPE_FORMAT_B5G5R5A1_UNORM:
- case PIPE_FORMAT_B5G5R5X1_UNORM:
- return V_028C70_SWAP_ALT;
-
- case PIPE_FORMAT_B4G4R4A4_UNORM:
- case PIPE_FORMAT_B4G4R4X4_UNORM:
- return V_028C70_SWAP_ALT;
-
- case PIPE_FORMAT_Z16_UNORM:
- return V_028C70_SWAP_STD;
-
- case PIPE_FORMAT_L8A8_UNORM:
- case PIPE_FORMAT_L8A8_UINT:
- case PIPE_FORMAT_L8A8_SINT:
- case PIPE_FORMAT_L8A8_SRGB:
- return V_028C70_SWAP_ALT;
- case PIPE_FORMAT_R8G8_UNORM:
- case PIPE_FORMAT_R8G8_UINT:
- case PIPE_FORMAT_R8G8_SINT:
- return V_028C70_SWAP_STD;
-
- case PIPE_FORMAT_R16_UNORM:
- case PIPE_FORMAT_R16_UINT:
- case PIPE_FORMAT_R16_SINT:
- case PIPE_FORMAT_R16_FLOAT:
- return V_028C70_SWAP_STD;
-
- /* 32-bit buffers. */
- case PIPE_FORMAT_A8B8G8R8_SRGB:
- return V_028C70_SWAP_STD_REV;
- case PIPE_FORMAT_B8G8R8A8_SRGB:
- return V_028C70_SWAP_ALT;
-
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- case PIPE_FORMAT_B8G8R8X8_UNORM:
- return V_028C70_SWAP_ALT;
-
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- return V_028C70_SWAP_ALT_REV;
- case PIPE_FORMAT_R8G8B8A8_SNORM:
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- case PIPE_FORMAT_R8G8B8A8_SSCALED:
- case PIPE_FORMAT_R8G8B8A8_USCALED:
- case PIPE_FORMAT_R8G8B8A8_SINT:
- case PIPE_FORMAT_R8G8B8A8_UINT:
- case PIPE_FORMAT_R8G8B8X8_UNORM:
- return V_028C70_SWAP_STD;
-
- case PIPE_FORMAT_A8B8G8R8_UNORM:
- case PIPE_FORMAT_X8B8G8R8_UNORM:
- /* case PIPE_FORMAT_R8SG8SB8UX8U_NORM: */
- return V_028C70_SWAP_STD_REV;
-
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- return V_028C70_SWAP_STD;
-
- case PIPE_FORMAT_X8Z24_UNORM:
- case PIPE_FORMAT_S8_UINT_Z24_UNORM:
- return V_028C70_SWAP_STD;
-
- case PIPE_FORMAT_R10G10B10A2_UNORM:
- case PIPE_FORMAT_R10G10B10X2_SNORM:
- case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
- return V_028C70_SWAP_STD;
-
- case PIPE_FORMAT_B10G10R10A2_UNORM:
- case PIPE_FORMAT_B10G10R10A2_UINT:
- return V_028C70_SWAP_ALT;
-
- case PIPE_FORMAT_R11G11B10_FLOAT:
- case PIPE_FORMAT_R32_FLOAT:
- case PIPE_FORMAT_R32_UINT:
- case PIPE_FORMAT_R32_SINT:
- case PIPE_FORMAT_Z32_FLOAT:
- case PIPE_FORMAT_R16G16_FLOAT:
- case PIPE_FORMAT_R16G16_UNORM:
- case PIPE_FORMAT_R16G16_UINT:
- case PIPE_FORMAT_R16G16_SINT:
- return V_028C70_SWAP_STD;
-
- /* 64-bit buffers. */
- case PIPE_FORMAT_R32G32_FLOAT:
- case PIPE_FORMAT_R32G32_UINT:
- case PIPE_FORMAT_R32G32_SINT:
- case PIPE_FORMAT_R16G16B16A16_UNORM:
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- case PIPE_FORMAT_R16G16B16A16_USCALED:
- case PIPE_FORMAT_R16G16B16A16_SSCALED:
- case PIPE_FORMAT_R16G16B16A16_UINT:
- case PIPE_FORMAT_R16G16B16A16_SINT:
- case PIPE_FORMAT_R16G16B16A16_FLOAT:
- case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
-
- /* 128-bit buffers. */
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- case PIPE_FORMAT_R32G32B32A32_SNORM:
- case PIPE_FORMAT_R32G32B32A32_UNORM:
- case PIPE_FORMAT_R32G32B32A32_SSCALED:
- case PIPE_FORMAT_R32G32B32A32_USCALED:
- case PIPE_FORMAT_R32G32B32A32_SINT:
- case PIPE_FORMAT_R32G32B32A32_UINT:
- return V_028C70_SWAP_STD;
- default:
- R600_ERR("unsupported colorswap format %d\n", format);
- return ~0U;
- }
- return ~0U;
-}
-
-static uint32_t si_translate_colorformat(enum pipe_format format)
-{
- switch (format) {
- /* 8-bit buffers. */
- case PIPE_FORMAT_A8_UNORM:
- case PIPE_FORMAT_A8_UINT:
- case PIPE_FORMAT_A8_SINT:
- case PIPE_FORMAT_I8_UNORM:
- case PIPE_FORMAT_I8_UINT:
- case PIPE_FORMAT_I8_SINT:
- case PIPE_FORMAT_L8_UNORM:
- case PIPE_FORMAT_L8_UINT:
- case PIPE_FORMAT_L8_SINT:
- case PIPE_FORMAT_L8_SRGB:
- case PIPE_FORMAT_R8_UNORM:
- case PIPE_FORMAT_R8_SNORM:
- case PIPE_FORMAT_R8_UINT:
- case PIPE_FORMAT_R8_SINT:
- return V_028C70_COLOR_8;
-
- /* 16-bit buffers. */
- case PIPE_FORMAT_B5G6R5_UNORM:
- return V_028C70_COLOR_5_6_5;
-
- case PIPE_FORMAT_B5G5R5A1_UNORM:
- case PIPE_FORMAT_B5G5R5X1_UNORM:
- return V_028C70_COLOR_1_5_5_5;
-
- case PIPE_FORMAT_B4G4R4A4_UNORM:
- case PIPE_FORMAT_B4G4R4X4_UNORM:
- return V_028C70_COLOR_4_4_4_4;
-
- case PIPE_FORMAT_L8A8_UNORM:
- case PIPE_FORMAT_L8A8_UINT:
- case PIPE_FORMAT_L8A8_SINT:
- case PIPE_FORMAT_L8A8_SRGB:
- case PIPE_FORMAT_R8G8_UNORM:
- case PIPE_FORMAT_R8G8_UINT:
- case PIPE_FORMAT_R8G8_SINT:
- return V_028C70_COLOR_8_8;
-
- case PIPE_FORMAT_Z16_UNORM:
- case PIPE_FORMAT_R16_UNORM:
- case PIPE_FORMAT_R16_UINT:
- case PIPE_FORMAT_R16_SINT:
- case PIPE_FORMAT_R16_FLOAT:
- case PIPE_FORMAT_R16G16_FLOAT:
- return V_028C70_COLOR_16;
-
- /* 32-bit buffers. */
- case PIPE_FORMAT_A8B8G8R8_SRGB:
- case PIPE_FORMAT_A8B8G8R8_UNORM:
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- case PIPE_FORMAT_B8G8R8A8_SRGB:
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- case PIPE_FORMAT_B8G8R8X8_UNORM:
- case PIPE_FORMAT_R8G8B8A8_SNORM:
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- case PIPE_FORMAT_R8G8B8X8_UNORM:
- case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
- case PIPE_FORMAT_X8B8G8R8_UNORM:
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- case PIPE_FORMAT_R8G8B8_UNORM:
- case PIPE_FORMAT_R8G8B8A8_SSCALED:
- case PIPE_FORMAT_R8G8B8A8_USCALED:
- case PIPE_FORMAT_R8G8B8A8_SINT:
- case PIPE_FORMAT_R8G8B8A8_UINT:
- return V_028C70_COLOR_8_8_8_8;
-
- case PIPE_FORMAT_R10G10B10A2_UNORM:
- case PIPE_FORMAT_R10G10B10X2_SNORM:
- case PIPE_FORMAT_B10G10R10A2_UNORM:
- case PIPE_FORMAT_B10G10R10A2_UINT:
- case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
- return V_028C70_COLOR_2_10_10_10;
-
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- return V_028C70_COLOR_8_24;
-
- case PIPE_FORMAT_X8Z24_UNORM:
- case PIPE_FORMAT_S8_UINT_Z24_UNORM:
- return V_028C70_COLOR_24_8;
-
- case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
- return V_028C70_COLOR_X24_8_32_FLOAT;
-
- case PIPE_FORMAT_R32_FLOAT:
- case PIPE_FORMAT_Z32_FLOAT:
- return V_028C70_COLOR_32;
-
- case PIPE_FORMAT_R16G16_SSCALED:
- case PIPE_FORMAT_R16G16_UNORM:
- case PIPE_FORMAT_R16G16_UINT:
- case PIPE_FORMAT_R16G16_SINT:
- return V_028C70_COLOR_16_16;
-
- case PIPE_FORMAT_R11G11B10_FLOAT:
- return V_028C70_COLOR_10_11_11;
-
- /* 64-bit buffers. */
- case PIPE_FORMAT_R16G16B16_USCALED:
- case PIPE_FORMAT_R16G16B16_SSCALED:
- case PIPE_FORMAT_R16G16B16A16_UINT:
- case PIPE_FORMAT_R16G16B16A16_SINT:
- case PIPE_FORMAT_R16G16B16A16_USCALED:
- case PIPE_FORMAT_R16G16B16A16_SSCALED:
- case PIPE_FORMAT_R16G16B16A16_UNORM:
- case PIPE_FORMAT_R16G16B16A16_SNORM:
- case PIPE_FORMAT_R16G16B16_FLOAT:
- case PIPE_FORMAT_R16G16B16A16_FLOAT:
- return V_028C70_COLOR_16_16_16_16;
-
- case PIPE_FORMAT_R32G32_FLOAT:
- case PIPE_FORMAT_R32G32_USCALED:
- case PIPE_FORMAT_R32G32_SSCALED:
- case PIPE_FORMAT_R32G32_SINT:
- case PIPE_FORMAT_R32G32_UINT:
- return V_028C70_COLOR_32_32;
-
- /* 128-bit buffers. */
- case PIPE_FORMAT_R32G32B32A32_SNORM:
- case PIPE_FORMAT_R32G32B32A32_UNORM:
- case PIPE_FORMAT_R32G32B32A32_SSCALED:
- case PIPE_FORMAT_R32G32B32A32_USCALED:
- case PIPE_FORMAT_R32G32B32A32_SINT:
- case PIPE_FORMAT_R32G32B32A32_UINT:
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- return V_028C70_COLOR_32_32_32_32;
-
- /* YUV buffers. */
- case PIPE_FORMAT_UYVY:
- case PIPE_FORMAT_YUYV:
- /* 96-bit buffers. */
- case PIPE_FORMAT_R32G32B32_FLOAT:
- /* 8-bit buffers. */
- case PIPE_FORMAT_L4A4_UNORM:
- case PIPE_FORMAT_R4A4_UNORM:
- case PIPE_FORMAT_A4R4_UNORM:
- default:
- return ~0U; /* Unsupported. */
- }
-}
-
-static uint32_t si_translate_texformat(struct pipe_screen *screen,
- enum pipe_format format,
- const struct util_format_description *desc,
- int first_non_void)
-{
- boolean uniform = TRUE;
- int i;
-
- /* Colorspace (return non-RGB formats directly). */
- switch (desc->colorspace) {
- /* Depth stencil formats */
- case UTIL_FORMAT_COLORSPACE_ZS:
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- return V_008F14_IMG_DATA_FORMAT_16;
- case PIPE_FORMAT_X24S8_UINT:
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24_UNORM_S8_UINT:
- return V_008F14_IMG_DATA_FORMAT_24_8;
- case PIPE_FORMAT_S8X24_UINT:
- case PIPE_FORMAT_X8Z24_UNORM:
- case PIPE_FORMAT_S8_UINT_Z24_UNORM:
- return V_008F14_IMG_DATA_FORMAT_8_24;
- case PIPE_FORMAT_S8_UINT:
- return V_008F14_IMG_DATA_FORMAT_8;
- case PIPE_FORMAT_Z32_FLOAT:
- return V_008F14_IMG_DATA_FORMAT_32;
- case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
- return V_008F14_IMG_DATA_FORMAT_X24_8_32;
- default:
- goto out_unknown;
- }
-
- case UTIL_FORMAT_COLORSPACE_YUV:
- goto out_unknown; /* TODO */
-
- case UTIL_FORMAT_COLORSPACE_SRGB:
- break;
-
- default:
- break;
- }
-
- /* TODO compressed formats */
-
- if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
- return V_008F14_IMG_DATA_FORMAT_5_9_9_9;
- } else if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
- return V_008F14_IMG_DATA_FORMAT_10_11_11;
- }
-
- /* R8G8Bx_SNORM - TODO CxV8U8 */
-
- /* See whether the components are of the same size. */
- for (i = 1; i < desc->nr_channels; i++) {
- uniform = uniform && desc->channel[0].size == desc->channel[i].size;
- }
-
- /* Non-uniform formats. */
- if (!uniform) {
- switch(desc->nr_channels) {
- case 3:
- if (desc->channel[0].size == 5 &&
- desc->channel[1].size == 6 &&
- desc->channel[2].size == 5) {
- return V_008F14_IMG_DATA_FORMAT_5_6_5;
- }
- goto out_unknown;
- case 4:
- if (desc->channel[0].size == 5 &&
- desc->channel[1].size == 5 &&
- desc->channel[2].size == 5 &&
- desc->channel[3].size == 1) {
- return V_008F14_IMG_DATA_FORMAT_1_5_5_5;
- }
- if (desc->channel[0].size == 10 &&
- desc->channel[1].size == 10 &&
- desc->channel[2].size == 10 &&
- desc->channel[3].size == 2) {
- return V_008F14_IMG_DATA_FORMAT_2_10_10_10;
- }
- goto out_unknown;
- }
- goto out_unknown;
- }
-
- if (first_non_void < 0 || first_non_void > 3)
- goto out_unknown;
-
- /* uniform formats */
- switch (desc->channel[first_non_void].size) {
- case 4:
- switch (desc->nr_channels) {
- case 2:
- return V_008F14_IMG_DATA_FORMAT_4_4;
- case 4:
- return V_008F14_IMG_DATA_FORMAT_4_4_4_4;
- }
- break;
- case 8:
- switch (desc->nr_channels) {
- case 1:
- return V_008F14_IMG_DATA_FORMAT_8;
- case 2:
- return V_008F14_IMG_DATA_FORMAT_8_8;
- case 4:
- return V_008F14_IMG_DATA_FORMAT_8_8_8_8;
- }
- break;
- case 16:
- switch (desc->nr_channels) {
- case 1:
- return V_008F14_IMG_DATA_FORMAT_16;
- case 2:
- return V_008F14_IMG_DATA_FORMAT_16_16;
- case 4:
- return V_008F14_IMG_DATA_FORMAT_16_16_16_16;
- }
- break;
- case 32:
- switch (desc->nr_channels) {
- case 1:
- return V_008F14_IMG_DATA_FORMAT_32;
- case 2:
- return V_008F14_IMG_DATA_FORMAT_32_32;
- case 3:
- return V_008F14_IMG_DATA_FORMAT_32_32_32;
- case 4:
- return V_008F14_IMG_DATA_FORMAT_32_32_32_32;
- }
- }
-
-out_unknown:
- /* R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); */
- return ~0;
-}
-
-static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format)
-{
- return si_translate_texformat(screen, format, util_format_description(format),
- util_format_get_first_non_void_channel(format)) != ~0U;
-}
-
-uint32_t si_translate_vertexformat(struct pipe_screen *screen,
- enum pipe_format format,
- const struct util_format_description *desc,
- int first_non_void)
-{
- uint32_t result;
-
- if (desc->channel[first_non_void].type == UTIL_FORMAT_TYPE_FIXED)
- return ~0;
-
- result = si_translate_texformat(screen, format, desc, first_non_void);
- if (result == V_008F0C_BUF_DATA_FORMAT_INVALID ||
- result > V_008F0C_BUF_DATA_FORMAT_32_32_32_32)
- result = ~0;
-
- return result;
-}
-
-static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format)
-{
- return si_translate_vertexformat(screen, format, util_format_description(format),
- util_format_get_first_non_void_channel(format)) != ~0U;
-}
-
-static bool r600_is_colorbuffer_format_supported(enum pipe_format format)
-{
- return si_translate_colorformat(format) != ~0U &&
- si_translate_colorswap(format) != ~0U;
-}
-
-static bool r600_is_zs_format_supported(enum pipe_format format)
-{
- return si_translate_dbformat(format) != ~0U;
-}
-
-boolean si_is_format_supported(struct pipe_screen *screen,
- enum pipe_format format,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned usage)
-{
- unsigned retval = 0;
-
- if (target >= PIPE_MAX_TEXTURE_TYPES) {
- R600_ERR("r600: unsupported texture type %d\n", target);
- return FALSE;
- }
-
- if (!util_format_is_supported(format, usage))
- return FALSE;
-
- /* Multisample */
- if (sample_count > 1)
- return FALSE;
-
- if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
- si_is_sampler_format_supported(screen, format)) {
- retval |= PIPE_BIND_SAMPLER_VIEW;
- }
-
- if ((usage & (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_SCANOUT |
- PIPE_BIND_SHARED)) &&
- r600_is_colorbuffer_format_supported(format)) {
- retval |= usage &
- (PIPE_BIND_RENDER_TARGET |
- PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_SCANOUT |
- PIPE_BIND_SHARED);
- }
-
- if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
- r600_is_zs_format_supported(format)) {
- retval |= PIPE_BIND_DEPTH_STENCIL;
- }
-
- if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
- si_is_vertex_format_supported(screen, format)) {
- retval |= PIPE_BIND_VERTEX_BUFFER;
- }
-
- if (usage & PIPE_BIND_TRANSFER_READ)
- retval |= PIPE_BIND_TRANSFER_READ;
- if (usage & PIPE_BIND_TRANSFER_WRITE)
- retval |= PIPE_BIND_TRANSFER_WRITE;
-
- return retval == usage;
-}
-
static void evergreen_set_polygon_stipple(struct pipe_context *ctx,
const struct pipe_poly_stipple *state)
{
diff --git a/src/gallium/drivers/radeonsi/radeonsi_pipe.h b/src/gallium/drivers/radeonsi/radeonsi_pipe.h
index c19d4a7..9cdc043 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_pipe.h
+++ b/src/gallium/drivers/radeonsi/radeonsi_pipe.h
@@ -252,15 +252,6 @@ static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *
/* evergreen_state.c */
void cayman_init_state_functions(struct r600_context *rctx);
-uint32_t si_translate_vertexformat(struct pipe_screen *screen,
- enum pipe_format format,
- const struct util_format_description *desc,
- int first_non_void);
-boolean si_is_format_supported(struct pipe_screen *screen,
- enum pipe_format format,
- enum pipe_texture_target target,
- unsigned sample_count,
- unsigned usage);
/* r600_blit.c */
void r600_init_blit_functions(struct r600_context *rctx);
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 5ed8a04..362551d 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1217,6 +1217,106 @@ static unsigned si_tex_dim(unsigned dim)
}
/*
+ * Format support testing
+ */
+
+static bool si_is_sampler_format_supported(struct pipe_screen *screen, enum pipe_format format)
+{
+ return si_translate_texformat(screen, format, util_format_description(format),
+ util_format_get_first_non_void_channel(format)) != ~0U;
+}
+
+uint32_t si_translate_vertexformat(struct pipe_screen *screen,
+ enum pipe_format format,
+ const struct util_format_description *desc,
+ int first_non_void)
+{
+ uint32_t result;
+
+ if (desc->channel[first_non_void].type == UTIL_FORMAT_TYPE_FIXED)
+ return ~0;
+
+ result = si_translate_texformat(screen, format, desc, first_non_void);
+ if (result == V_008F0C_BUF_DATA_FORMAT_INVALID ||
+ result > V_008F0C_BUF_DATA_FORMAT_32_32_32_32)
+ result = ~0;
+
+ return result;
+}
+
+static bool si_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format)
+{
+ return si_translate_vertexformat(screen, format, util_format_description(format),
+ util_format_get_first_non_void_channel(format)) != ~0U;
+}
+
+static bool si_is_colorbuffer_format_supported(enum pipe_format format)
+{
+ return si_translate_colorformat(format) != ~0U &&
+ si_translate_colorswap(format) != ~0U;
+}
+
+static bool si_is_zs_format_supported(enum pipe_format format)
+{
+ return si_translate_dbformat(format) != ~0U;
+}
+
+bool si_is_format_supported(struct pipe_screen *screen,
+ enum pipe_format format,
+ enum pipe_texture_target target,
+ unsigned sample_count,
+ unsigned usage)
+{
+ unsigned retval = 0;
+
+ if (target >= PIPE_MAX_TEXTURE_TYPES) {
+ R600_ERR("r600: unsupported texture type %d\n", target);
+ return FALSE;
+ }
+
+ if (!util_format_is_supported(format, usage))
+ return FALSE;
+
+ /* Multisample */
+ if (sample_count > 1)
+ return FALSE;
+
+ if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
+ si_is_sampler_format_supported(screen, format)) {
+ retval |= PIPE_BIND_SAMPLER_VIEW;
+ }
+
+ if ((usage & (PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_SCANOUT |
+ PIPE_BIND_SHARED)) &&
+ si_is_colorbuffer_format_supported(format)) {
+ retval |= usage &
+ (PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_SCANOUT |
+ PIPE_BIND_SHARED);
+ }
+
+ if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
+ si_is_zs_format_supported(format)) {
+ retval |= PIPE_BIND_DEPTH_STENCIL;
+ }
+
+ if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
+ si_is_vertex_format_supported(screen, format)) {
+ retval |= PIPE_BIND_VERTEX_BUFFER;
+ }
+
+ if (usage & PIPE_BIND_TRANSFER_READ)
+ retval |= PIPE_BIND_TRANSFER_READ;
+ if (usage & PIPE_BIND_TRANSFER_WRITE)
+ retval |= PIPE_BIND_TRANSFER_WRITE;
+
+ return retval == usage;
+}
+
+/*
* framebuffer handling
*/
diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
index d1a72eb..9adde36 100644
--- a/src/gallium/drivers/radeonsi/si_state.h
+++ b/src/gallium/drivers/radeonsi/si_state.h
@@ -156,6 +156,15 @@ union si_state {
} while(0);
/* si_state.c */
+uint32_t si_translate_vertexformat(struct pipe_screen *screen,
+ enum pipe_format format,
+ const struct util_format_description *desc,
+ int first_non_void);
+bool si_is_format_supported(struct pipe_screen *screen,
+ enum pipe_format format,
+ enum pipe_texture_target target,
+ unsigned sample_count,
+ unsigned usage);
void si_init_state_functions(struct r600_context *rctx);
void si_init_config(struct r600_context *rctx);
--
1.7.9.5
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