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-rw-r--r--src/mesa/state_tracker/st_cb_accum.c61
-rw-r--r--src/mesa/state_tracker/st_cb_fbo.c29
-rw-r--r--src/mesa/state_tracker/st_cb_fbo.h3
-rw-r--r--src/mesa/state_tracker/st_framebuffer.c2
4 files changed, 84 insertions, 11 deletions
diff --git a/src/mesa/state_tracker/st_cb_accum.c b/src/mesa/state_tracker/st_cb_accum.c
index a623d0bcc0..35352351d5 100644
--- a/src/mesa/state_tracker/st_cb_accum.c
+++ b/src/mesa/state_tracker/st_cb_accum.c
@@ -56,6 +56,51 @@
*/
+/**
+ * Wrapper for pipe_get_tile_rgba(). Do format/cpp override to make the
+ * tile util function think the surface is 16bit/channel, even if it's not.
+ * See also: st_renderbuffer_alloc_storage()
+ */
+static void
+acc_get_tile_rgba(struct pipe_context *pipe, struct pipe_surface *acc_ps,
+ uint x, uint y, uint w, uint h, float *p)
+{
+ const enum pipe_format f = acc_ps->format;
+ const int cpp = acc_ps->cpp;
+
+ acc_ps->format = DEFAULT_ACCUM_PIPE_FORMAT;
+ acc_ps->cpp = 8;
+
+ pipe_get_tile_rgba(pipe, acc_ps, x, y, w, h, p);
+
+ acc_ps->format = f;
+ acc_ps->cpp = cpp;
+}
+
+
+/**
+ * Wrapper for pipe_put_tile_rgba(). Do format/cpp override to make the
+ * tile util function think the surface is 16bit/channel, even if it's not.
+ * See also: st_renderbuffer_alloc_storage()
+ */
+static void
+acc_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *acc_ps,
+ uint x, uint y, uint w, uint h, const float *p)
+{
+ enum pipe_format f = acc_ps->format;
+ const int cpp = acc_ps->cpp;
+
+ acc_ps->format = DEFAULT_ACCUM_PIPE_FORMAT;
+ acc_ps->cpp = 8;
+
+ pipe_put_tile_rgba(pipe, acc_ps, x, y, w, h, p);
+
+ acc_ps->format = f;
+ acc_ps->cpp = cpp;
+}
+
+
+
void
st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
{
@@ -80,7 +125,9 @@ st_clear_accum_buffer(GLcontext *ctx, struct gl_renderbuffer *rb)
accBuf[i*4+3] = a;
}
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+
+ free(accBuf);
}
@@ -95,13 +142,13 @@ accum_mad(struct pipe_context *pipe, GLfloat scale, GLfloat bias,
accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ acc_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
for (i = 0; i < 4 * width * height; i++) {
accBuf[i] = accBuf[i] * scale + bias;
}
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
free(accBuf);
}
@@ -120,13 +167,13 @@ accum_accum(struct pipe_context *pipe, GLfloat value,
accBuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
pipe_get_tile_rgba(pipe, color_ps, xpos, ypos, width, height, colorBuf);
- pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ acc_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
for (i = 0; i < 4 * width * height; i++) {
accBuf[i] = accBuf[i] + colorBuf[i] * value;
}
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
+ acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, accBuf);
free(colorBuf);
free(accBuf);
@@ -150,7 +197,7 @@ accum_load(struct pipe_context *pipe, GLfloat value,
buf[i] = buf[i] * value;
}
- pipe_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, buf);
+ acc_put_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, buf);
free(buf);
}
@@ -169,7 +216,7 @@ accum_return(GLcontext *ctx, GLfloat value,
abuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
- pipe_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, abuf);
+ acc_get_tile_rgba(pipe, acc_ps, xpos, ypos, width, height, abuf);
if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3]) {
cbuf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index e55281a430..b1a56f3ca6 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -127,14 +127,37 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
pipeFormat,
flags);
if (ret || !strb->surface->buffer) {
- return GL_FALSE; /* out of memory, try s/w buffer? */
+ if (pipeFormat == DEFAULT_ACCUM_PIPE_FORMAT) {
+ /* Accum buffer. Try a different surface format. Since accum
+ * buffers are s/w only for now, the surface pixel format doesn't
+ * really matter, only that the buffer is large enough.
+ */
+ int sz, mult;
+ enum pipe_format accum_format;
+
+ /* allocate a buffer of (typically) double height to get 64bpp */
+ accum_format = st_choose_renderbuffer_format(pipe, GL_RGBA);
+ sz = pf_get_size(accum_format);
+ mult = pf_get_size(DEFAULT_ACCUM_PIPE_FORMAT) / sz;
+
+ ret = pipe->winsys->surface_alloc_storage(pipe->winsys,
+ strb->surface,
+ width, height * mult,
+ accum_format, flags);
+ if (ret)
+ return GL_FALSE; /* we've _really_ failed */
+
+ }
+ else {
+ return GL_FALSE; /* out of memory, try s/w buffer? */
+ }
}
ASSERT(strb->surface->buffer);
ASSERT(strb->surface->format);
ASSERT(strb->surface->cpp);
ASSERT(strb->surface->width == width);
- ASSERT(strb->surface->height == height);
+ /*ASSERT(strb->surface->height == height);*/
ASSERT(strb->surface->pitch);
strb->Base.Width = width;
@@ -252,7 +275,7 @@ st_new_renderbuffer_fb(enum pipe_format format)
strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT;
strb->Base._BaseFormat = GL_STENCIL_INDEX;
break;
- case PIPE_FORMAT_R16G16B16A16_SNORM:
+ case DEFAULT_ACCUM_PIPE_FORMAT: /*PIPE_FORMAT_R16G16B16A16_SNORM*/
strb->Base.InternalFormat = GL_RGBA16;
strb->Base._BaseFormat = GL_RGBA;
break;
diff --git a/src/mesa/state_tracker/st_cb_fbo.h b/src/mesa/state_tracker/st_cb_fbo.h
index 21e531d1d0..c1aa14f9b2 100644
--- a/src/mesa/state_tracker/st_cb_fbo.h
+++ b/src/mesa/state_tracker/st_cb_fbo.h
@@ -30,6 +30,9 @@
#define ST_CB_FBO_H
+#define DEFAULT_ACCUM_PIPE_FORMAT PIPE_FORMAT_R16G16B16A16_SNORM
+
+
/**
* Derived renderbuffer class. Just need to add a pointer to the
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 075e9d1bd6..ea09d9234c 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -107,7 +107,7 @@ st_create_framebuffer( const __GLcontextModes *visual,
if (visual->accumRedBits > 0) {
/* 16-bit/channel accum */
struct gl_renderbuffer *accumRb
- = st_new_renderbuffer_fb(PIPE_FORMAT_R16G16B16A16_SNORM);
+ = st_new_renderbuffer_fb(DEFAULT_ACCUM_PIPE_FORMAT);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 01:53:55 +0000