r300g: support sRGB colorbuffers

We are not required to do the linear->sRGB conversion if ARB_framebuffer_sRGB
is unsupported. However I think the conversion should work in hw except
for blending, which matches the D3D9 behavior.

2 files changed, 52 insertions, 6 deletions

diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index a43e83c0d3..e195128d26 100644
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -411,14 +411,16 @@ static void r300_resource_copy_region(struct pipe_context *pipe,
 {
     enum pipe_format old_format = dst->format;
     enum pipe_format new_format = old_format;
+    const struct util_format_description *desc = util_format_description(old_format);
     boolean is_depth;
 
-    if (!pipe->screen->is_format_supported(pipe->screen,
-                                           old_format, src->target,
-                                           src->nr_samples,
-                                           PIPE_BIND_RENDER_TARGET |
-                                           PIPE_BIND_SAMPLER_VIEW, 0) &&
-        util_format_is_plain(old_format)) {
+    if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB ||
+        (!pipe->screen->is_format_supported(pipe->screen,
+                                            old_format, src->target,
+                                            src->nr_samples,
+                                            PIPE_BIND_RENDER_TARGET |
+                                            PIPE_BIND_SAMPLER_VIEW, 0) &&
+         desc->layout == UTIL_FORMAT_LAYOUT_PLAIN)) {
         switch (util_format_get_blocksize(old_format)) {
             case 1:
                 new_format = PIPE_FORMAT_I8_UNORM;
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 6fdc504ed5..a5fbe855e7 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -370,14 +370,20 @@ static uint32_t r300_translate_colorformat(enum pipe_format format)
     switch (format) {
         /* 8-bit buffers. */
         case PIPE_FORMAT_A8_UNORM:
+        /*case PIPE_FORMAT_A8_SNORM:*/
         case PIPE_FORMAT_I8_UNORM:
+        /*case PIPE_FORMAT_I8_SNORM:*/
         case PIPE_FORMAT_L8_UNORM:
+        /*case PIPE_FORMAT_L8_SNORM:*/
+        case PIPE_FORMAT_L8_SRGB:
         case PIPE_FORMAT_R8_UNORM:
         case PIPE_FORMAT_R8_SNORM:
             return R300_COLOR_FORMAT_I8;
 
         /* 16-bit buffers. */
         case PIPE_FORMAT_L8A8_UNORM:
+        /*case PIPE_FORMAT_L8A8_SNORM:*/
+        case PIPE_FORMAT_L8A8_SRGB:
         case PIPE_FORMAT_R8G8_UNORM:
         case PIPE_FORMAT_R8G8_SNORM:
             return R300_COLOR_FORMAT_UV88;
@@ -395,13 +401,29 @@ static uint32_t r300_translate_colorformat(enum pipe_format format)
 
         /* 32-bit buffers. */
         case PIPE_FORMAT_B8G8R8A8_UNORM:
+        /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
+        case PIPE_FORMAT_B8G8R8A8_SRGB:
         case PIPE_FORMAT_B8G8R8X8_UNORM:
+        /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
+        case PIPE_FORMAT_B8G8R8X8_SRGB:
         case PIPE_FORMAT_A8R8G8B8_UNORM:
+        /*case PIPE_FORMAT_A8R8G8B8_SNORM:*/
+        case PIPE_FORMAT_A8R8G8B8_SRGB:
         case PIPE_FORMAT_X8R8G8B8_UNORM:
+        /*case PIPE_FORMAT_X8R8G8B8_SNORM:*/
+        case PIPE_FORMAT_X8R8G8B8_SRGB:
         case PIPE_FORMAT_A8B8G8R8_UNORM:
+        /*case PIPE_FORMAT_A8B8G8R8_SNORM:*/
+        case PIPE_FORMAT_A8B8G8R8_SRGB:
+        case PIPE_FORMAT_R8G8B8A8_UNORM:
         case PIPE_FORMAT_R8G8B8A8_SNORM:
+        case PIPE_FORMAT_R8G8B8A8_SRGB:
         case PIPE_FORMAT_X8B8G8R8_UNORM:
+        /*case PIPE_FORMAT_X8B8G8R8_SNORM:*/
+        case PIPE_FORMAT_X8B8G8R8_SRGB:
         case PIPE_FORMAT_R8G8B8X8_UNORM:
+        /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
+        /*case PIPE_FORMAT_R8G8B8X8_SRGB:*/
         case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
             return R300_COLOR_FORMAT_ARGB8888;
 
@@ -506,9 +528,13 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format)
         /* 8-bit outputs, one channel.
          * COLORFORMAT_I8 stores the C2 component. */
         case PIPE_FORMAT_A8_UNORM:
+        /*case PIPE_FORMAT_A8_SNORM:*/
             return modifier | R300_C2_SEL_A;
         case PIPE_FORMAT_I8_UNORM:
+        /*case PIPE_FORMAT_I8_SNORM:*/
         case PIPE_FORMAT_L8_UNORM:
+        /*case PIPE_FORMAT_L8_SNORM:*/
+        case PIPE_FORMAT_L8_SRGB:
         case PIPE_FORMAT_R8_UNORM:
         case PIPE_FORMAT_R8_SNORM:
             return modifier | R300_C2_SEL_R;
@@ -516,6 +542,8 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format)
         /* 16-bit outputs, two channels.
          * COLORFORMAT_UV88 stores C2 and C0. */
         case PIPE_FORMAT_L8A8_UNORM:
+        /*case PIPE_FORMAT_L8A8_SNORM:*/
+        case PIPE_FORMAT_L8A8_SRGB:
             return modifier | R300_C0_SEL_A | R300_C2_SEL_R;
         case PIPE_FORMAT_R8G8_UNORM:
         case PIPE_FORMAT_R8G8_SNORM:
@@ -528,7 +556,11 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format)
         case PIPE_FORMAT_B4G4R4A4_UNORM:
         case PIPE_FORMAT_B4G4R4X4_UNORM:
         case PIPE_FORMAT_B8G8R8A8_UNORM:
+        /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/
+        case PIPE_FORMAT_B8G8R8A8_SRGB:
         case PIPE_FORMAT_B8G8R8X8_UNORM:
+        /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/
+        case PIPE_FORMAT_B8G8R8X8_SRGB:
         case PIPE_FORMAT_B10G10R10A2_UNORM:
             return modifier |
                 R300_C0_SEL_B | R300_C1_SEL_G |
@@ -536,21 +568,33 @@ static uint32_t r300_translate_out_fmt(enum pipe_format format)
 
         /* ARGB outputs. */
         case PIPE_FORMAT_A8R8G8B8_UNORM:
+        /*case PIPE_FORMAT_A8R8G8B8_SNORM:*/
+        case PIPE_FORMAT_A8R8G8B8_SRGB:
         case PIPE_FORMAT_X8R8G8B8_UNORM:
+        /*case PIPE_FORMAT_X8R8G8B8_SNORM:*/
+        case PIPE_FORMAT_X8R8G8B8_SRGB:
             return modifier |
                 R300_C0_SEL_A | R300_C1_SEL_R |
                 R300_C2_SEL_G | R300_C3_SEL_B;
 
         /* ABGR outputs. */
         case PIPE_FORMAT_A8B8G8R8_UNORM:
+        /*case PIPE_FORMAT_A8B8G8R8_SNORM:*/
+        case PIPE_FORMAT_A8B8G8R8_SRGB:
         case PIPE_FORMAT_X8B8G8R8_UNORM:
+        /*case PIPE_FORMAT_X8B8G8R8_SNORM:*/
+        case PIPE_FORMAT_X8B8G8R8_SRGB:
             return modifier |
                 R300_C0_SEL_A | R300_C1_SEL_B |
                 R300_C2_SEL_G | R300_C3_SEL_R;
 
         /* RGBA outputs. */
         case PIPE_FORMAT_R8G8B8X8_UNORM:
+        /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/
+        /*case PIPE_FORMAT_R8G8B8X8_SRGB:*/
+        case PIPE_FORMAT_R8G8B8A8_UNORM:
         case PIPE_FORMAT_R8G8B8A8_SNORM:
+        case PIPE_FORMAT_R8G8B8A8_SRGB:
         case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
         case PIPE_FORMAT_R10G10B10A2_UNORM:
         case PIPE_FORMAT_R10G10B10X2_SNORM: