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-rw-r--r--src/mesa/main/texfetch.c2
-rw-r--r--src/mesa/main/texfetch.h3
-rw-r--r--src/mesa/main/teximage.c6
-rw-r--r--src/mesa/main/teximage.h2
-rw-r--r--src/mesa/main/texrender.c36
5 files changed, 33 insertions, 16 deletions
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 77bbc91795f..113512090b2 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -759,7 +759,7 @@ texfetch_funcs[MESA_FORMAT_COUNT] =
};
-static FetchTexelFuncF
+FetchTexelFuncF
_mesa_get_texel_fetch_func(gl_format format, GLuint dims)
{
#ifdef DEBUG
diff --git a/src/mesa/main/texfetch.h b/src/mesa/main/texfetch.h
index ef13bf27fec..e78079ae5ab 100644
--- a/src/mesa/main/texfetch.h
+++ b/src/mesa/main/texfetch.h
@@ -34,6 +34,9 @@
extern StoreTexelFunc
_mesa_get_texel_store_func(gl_format format);
+extern FetchTexelFuncF
+_mesa_get_texel_fetch_func(gl_format format, GLuint dims);
+
extern void
_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims);
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 1e8626c7346..47d509396a7 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -932,8 +932,8 @@ _mesa_max_texture_levels(struct gl_context *ctx, GLenum target)
/**
* Return number of dimensions per mipmap level for the given texture target.
*/
-static GLint
-get_texture_dimensions(GLenum target)
+GLint
+_mesa_get_texture_dimensions(GLenum target)
{
switch (target) {
case GL_TEXTURE_1D:
@@ -1158,7 +1158,7 @@ _mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
img->TexFormat = format;
- dims = get_texture_dimensions(target);
+ dims = _mesa_get_texture_dimensions(target);
_mesa_set_fetch_functions(img, dims);
}
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 5bb9d492e93..bb5509e5be6 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -126,6 +126,8 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
extern GLuint
_mesa_tex_target_to_face(GLenum target);
+extern GLint
+_mesa_get_texture_dimensions(GLenum target);
/**
* Lock a texture for updating. See also _mesa_lock_context_textures().
diff --git a/src/mesa/main/texrender.c b/src/mesa/main/texrender.c
index 8961b926487..e7cb18a87a6 100644
--- a/src/mesa/main/texrender.c
+++ b/src/mesa/main/texrender.c
@@ -20,6 +20,7 @@ struct texture_renderbuffer
struct gl_renderbuffer Base; /**< Base class object */
struct gl_texture_image *TexImage;
StoreTexelFunc Store;
+ FetchTexelFuncF Fetchf;
GLint Yoffset; /**< Layer for 1D array textures. */
GLint Zoffset; /**< Layer for 2D array textures, or slice
* for 3D textures
@@ -48,7 +49,7 @@ texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count
GLchan *rgbaOut = (GLchan *) values;
for (i = 0; i < count; i++) {
GLfloat rgba[4];
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, rgba);
+ trb->Fetchf(trb->TexImage, x + i, y, z, rgba);
UNCLAMPED_FLOAT_TO_RGBA_CHAN(rgbaOut + 4 * i, rgba);
}
}
@@ -56,7 +57,7 @@ texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count
GLushort *zValues = (GLushort *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
zValues[i] = (GLushort) (flt * 0xffff);
}
}
@@ -67,7 +68,7 @@ texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count
*/
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
#if 0
/* this should work, but doesn't (overflow due to low precision) */
zValues[i] = (GLuint) (flt * scale);
@@ -81,7 +82,7 @@ texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
}
}
@@ -89,7 +90,7 @@ texture_get_row(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x + i, y, z, &flt);
+ trb->Fetchf(trb->TexImage, x + i, y, z, &flt);
zValues[i] = (GLuint) (flt * 0xffffff);
}
}
@@ -112,7 +113,7 @@ texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint co
GLchan *rgbaOut = (GLchan *) values;
for (i = 0; i < count; i++) {
GLfloat rgba[4];
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, rgba);
UNCLAMPED_FLOAT_TO_RGBA_CHAN(rgbaOut + 4 * i, rgba);
}
@@ -121,7 +122,7 @@ texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint co
GLushort *zValues = (GLushort *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
zValues[i] = (GLushort) (flt * 0xffff);
}
@@ -130,7 +131,7 @@ texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint co
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
#if 0
zValues[i] = (GLuint) (flt * 0xffffffff);
@@ -143,7 +144,7 @@ texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint co
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
zValues[i] = ((GLuint) (flt * 0xffffff)) << 8;
}
@@ -152,7 +153,7 @@ texture_get_values(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint co
GLuint *zValues = (GLuint *) values;
for (i = 0; i < count; i++) {
GLfloat flt;
- trb->TexImage->FetchTexelf(trb->TexImage, x[i], y[i] + trb->Yoffset,
+ trb->Fetchf(trb->TexImage, x[i], y[i] + trb->Yoffset,
z, &flt);
zValues[i] = (GLuint) (flt * 0xffffff);
}
@@ -517,8 +518,6 @@ wrap_texture(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
_mesa_reference_renderbuffer(&att->Renderbuffer, &(trb->Base));
}
-
-
/**
* Update the renderbuffer wrapper for rendering to a texture.
* For example, update the width, height of the RB based on the texture size,
@@ -542,6 +541,8 @@ update_wrapper(struct gl_context *ctx, const struct gl_renderbuffer_attachment *
trb->Store = store_nop;
}
+ trb->Fetchf = trb->TexImage->FetchTexelf;
+
if (att->Texture->Target == GL_TEXTURE_1D_ARRAY_EXT) {
trb->Yoffset = att->Zoffset;
trb->Zoffset = 0;
@@ -582,6 +583,17 @@ update_wrapper(struct gl_context *ctx, const struct gl_renderbuffer_attachment *
trb->Base.DataType = GL_UNSIGNED_INT;
trb->Base._BaseFormat = GL_DEPTH_COMPONENT;
break;
+ /* SRGB formats pre EXT_framebuffer_sRGB don't do sRGB translations on FBO readback */
+ case MESA_FORMAT_SRGB8:
+ trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_RGB888, _mesa_get_texture_dimensions(att->Texture->Target));
+ trb->Base.DataType = CHAN_TYPE;
+ trb->Base._BaseFormat = GL_RGBA;
+ break;
+ case MESA_FORMAT_SRGBA8:
+ trb->Fetchf = _mesa_get_texel_fetch_func(MESA_FORMAT_RGBA8888, _mesa_get_texture_dimensions(att->Texture->Target));
+ trb->Base.DataType = CHAN_TYPE;
+ trb->Base._BaseFormat = GL_RGBA;
+ break;
default:
trb->Base.DataType = CHAN_TYPE;
trb->Base._BaseFormat = GL_RGBA;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 13:23:40 +0000