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-rw-r--r--src/mesa/state_tracker/st_extensions.c12
-rw-r--r--src/mesa/state_tracker/st_format.c237
2 files changed, 249 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 9bc9d7a10f5..bdc08949dd4 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -382,6 +382,18 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
}
+ /* float support - assume nothing exclusively supports 64-bit floats */
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_RENDER_TARGET) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_RENDER_TARGET)) {
+ ctx->Extensions.ARB_texture_float = GL_TRUE;
+ }
+
/* sRGB support */
if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB,
PIPE_TEXTURE_2D, 0,
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 957a06c0880..8e50dbda685 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -214,6 +214,39 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
case MESA_FORMAT_SARGB8:
return PIPE_FORMAT_B8G8R8A8_SRGB;
#endif
+ case MESA_FORMAT_RGBA_FLOAT32:
+ return PIPE_FORMAT_R32G32B32A32_FLOAT;
+ case MESA_FORMAT_RGBA_FLOAT16:
+ return PIPE_FORMAT_R16G16B16A16_FLOAT;
+ case MESA_FORMAT_RGB_FLOAT32:
+ return PIPE_FORMAT_R32G32B32_FLOAT;
+ case MESA_FORMAT_RGB_FLOAT16:
+ return PIPE_FORMAT_R16G16B16_FLOAT;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+ return PIPE_FORMAT_L32A32_FLOAT;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+ return PIPE_FORMAT_L16A16_FLOAT;
+ case MESA_FORMAT_LUMINANCE_FLOAT32:
+ return PIPE_FORMAT_L32_FLOAT;
+ case MESA_FORMAT_LUMINANCE_FLOAT16:
+ return PIPE_FORMAT_L16_FLOAT;
+ case MESA_FORMAT_ALPHA_FLOAT32:
+ return PIPE_FORMAT_A32_FLOAT;
+ case MESA_FORMAT_ALPHA_FLOAT16:
+ return PIPE_FORMAT_A16_FLOAT;
+ case MESA_FORMAT_INTENSITY_FLOAT32:
+ return PIPE_FORMAT_I32_FLOAT;
+ case MESA_FORMAT_INTENSITY_FLOAT16:
+ return PIPE_FORMAT_I16_FLOAT;
+ case MESA_FORMAT_R_FLOAT32:
+ return PIPE_FORMAT_R32_FLOAT;
+ case MESA_FORMAT_R_FLOAT16:
+ return PIPE_FORMAT_R16_FLOAT;
+ case MESA_FORMAT_RG_FLOAT32:
+ return PIPE_FORMAT_R32G32_FLOAT;
+ case MESA_FORMAT_RG_FLOAT16:
+ return PIPE_FORMAT_R16G16_FLOAT;
+
case MESA_FORMAT_R8:
return PIPE_FORMAT_R8_UNORM;
case MESA_FORMAT_R16:
@@ -403,6 +436,38 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_B8G8R8A8_SRGB:
return MESA_FORMAT_SARGB8;
#endif
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return MESA_FORMAT_RGBA_FLOAT32;
+ case PIPE_FORMAT_R16G16B16A16_FLOAT:
+ return MESA_FORMAT_RGBA_FLOAT16;
+ case PIPE_FORMAT_R32G32B32_FLOAT:
+ return MESA_FORMAT_RGB_FLOAT32;
+ case PIPE_FORMAT_R16G16B16_FLOAT:
+ return MESA_FORMAT_RGB_FLOAT16;
+ case PIPE_FORMAT_L32A32_FLOAT:
+ return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
+ case PIPE_FORMAT_L16A16_FLOAT:
+ return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
+ case PIPE_FORMAT_L32_FLOAT:
+ return MESA_FORMAT_LUMINANCE_FLOAT32;
+ case PIPE_FORMAT_L16_FLOAT:
+ return MESA_FORMAT_LUMINANCE_FLOAT16;
+ case PIPE_FORMAT_A32_FLOAT:
+ return MESA_FORMAT_ALPHA_FLOAT32;
+ case PIPE_FORMAT_A16_FLOAT:
+ return MESA_FORMAT_ALPHA_FLOAT16;
+ case PIPE_FORMAT_I32_FLOAT:
+ return MESA_FORMAT_INTENSITY_FLOAT32;
+ case PIPE_FORMAT_I16_FLOAT:
+ return MESA_FORMAT_INTENSITY_FLOAT16;
+ case PIPE_FORMAT_R32_FLOAT:
+ return MESA_FORMAT_R_FLOAT32;
+ case PIPE_FORMAT_R16_FLOAT:
+ return MESA_FORMAT_R_FLOAT16;
+ case PIPE_FORMAT_R32G32_FLOAT:
+ return MESA_FORMAT_RG_FLOAT32;
+ case PIPE_FORMAT_R16G16_FLOAT:
+ return MESA_FORMAT_RG_FLOAT16;
case PIPE_FORMAT_R8_UNORM:
return MESA_FORMAT_R8;
@@ -887,6 +952,178 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
return PIPE_FORMAT_L8_SRGB;
return default_srgba_format( screen, target, sample_count, bindings);
+ /* prefer formats in order of data size, choosing 16-bit ones if equal sized */
+ case GL_RGBA16F_ARB:
+ case GL_RGB16F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_ALPHA16F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_A16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_A32_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_INTENSITY16F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_I16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_I32_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_LUMINANCE16F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_L16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_L32_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_R16F:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_R16_FLOAT,
+ PIPE_FORMAT_R16G16_FLOAT,
+ PIPE_FORMAT_R32_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_RG16F:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_R16G16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT,
+ PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+
+ /* try a 32-bit format if available, otherwise fallback to a 16-bit one */
+ case GL_RGBA32F_ARB:
+ case GL_RGB32F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_ALPHA32F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_A32_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_A16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_INTENSITY32F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_I32_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_I16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_LUMINANCE32F_ARB:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_L32_FLOAT,
+ PIPE_FORMAT_L32A32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_L16_FLOAT,
+ PIPE_FORMAT_L16A16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_R32F:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_R32_FLOAT,
+ PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_R16_FLOAT,
+ PIPE_FORMAT_R16G16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+ case GL_RG32F:
+ {
+ static const enum pipe_format formats[] = {
+ PIPE_FORMAT_R32G32_FLOAT,
+ PIPE_FORMAT_R32G32B32A32_FLOAT,
+ PIPE_FORMAT_R16G16_FLOAT,
+ PIPE_FORMAT_R16G16B16A16_FLOAT
+ };
+ return find_supported_format(screen, formats, Elements(formats),
+ target, sample_count, bindings);
+ }
+
case GL_RED:
case GL_R8:
if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:51:07 +0000