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path: root/mesalib/src/mesa/main/texrender.c
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Diffstat (limited to 'mesalib/src/mesa/main/texrender.c')
-rw-r--r--mesalib/src/mesa/main/texrender.c37
1 files changed, 25 insertions, 12 deletions
diff --git a/mesalib/src/mesa/main/texrender.c b/mesalib/src/mesa/main/texrender.c
index 6d5531f18..6d6e16f4a 100644
--- a/mesalib/src/mesa/main/texrender.c
+++ b/mesalib/src/mesa/main/texrender.c
@@ -3,6 +3,7 @@
#include "colormac.h"
#include "macros.h"
#include "texfetch.h"
+#include "teximage.h"
#include "texrender.h"
#include "renderbuffer.h"
@@ -20,6 +21,7 @@ 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 +50,7 @@ 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 +58,7 @@ 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 +69,7 @@ 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 +83,7 @@ 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 +91,7 @@ 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 +114,7 @@ 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 +123,7 @@ 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 +132,7 @@ 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 +145,7 @@ 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 +154,7 @@ 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 +519,6 @@ 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 +542,8 @@ 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 +584,17 @@ 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 2.25.1) at 2024-11-09 14:40:59 +0000