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wined3d: Use surface_get_memory in read_from_framebuffer.

This commit is contained in:
Stefan Dösinger 2013-11-29 12:59:13 +01:00 committed by Alexandre Julliard
parent ae3788dcba
commit 6907faf805
1 changed files with 24 additions and 32 deletions
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56
dlls/wined3d/surface.c
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@ -3438,7 +3438,7 @@ HRESULT CDECL wined3d_surface_flip(struct wined3d_surface *surface, struct wined
}
/* Read the framebuffer back into the surface */
static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, UINT pitch)
static void read_from_framebuffer(struct wined3d_surface *surface, UINT pitch)
{
struct wined3d_device *device = surface->resource.device;
const struct wined3d_gl_info *gl_info;
@ -3453,6 +3453,9 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
GLint rowLen = 0;
GLint skipPix = 0;
GLint skipRow = 0;
struct wined3d_bo_address data;
surface_get_memory(surface, &data);
context = context_acquire(device, surface);
context_apply_blit_state(context, device);
@ -3489,7 +3492,7 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
/* In case of P8 render targets the index is stored in the alpha component */
fmt = GL_ALPHA;
type = GL_UNSIGNED_BYTE;
mem = dest;
mem = data.addr;
bpp = surface->resource.format->byte_count;
}
else
@ -3518,21 +3521,18 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
break;
default:
mem = dest;
mem = data.addr;
fmt = surface->resource.format->glFormat;
type = surface->resource.format->glType;
bpp = surface->resource.format->byte_count;
}
if (surface->flags & SFLAG_PBO)
if (data.buffer_object)
{
GL_EXTCALL(glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, surface->pbo));
GL_EXTCALL(glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, data.buffer_object));
checkGLcall("glBindBufferARB");
if (mem)
{
ERR("mem not null for pbo -- unexpected\n");
mem = NULL;
}
}
/* Save old pixel store pack state */
@ -3564,23 +3564,14 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
gl_info->gl_ops.gl.p_glPixelStorei(GL_PACK_SKIP_ROWS, skipRow);
checkGLcall("glPixelStorei");
if (surface->flags & SFLAG_PBO)
if (data.buffer_object && !srcIsUpsideDown)
{
GL_EXTCALL(glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0));
checkGLcall("glBindBufferARB");
/* Check if we need to flip the image. If we need to flip use glMapBufferARB
* to get a pointer to it and perform the flipping in software. This is a lot
* faster than calling glReadPixels for each line. In case we want more speed
* we should rerender it flipped in a FBO and read the data back from the FBO. */
if (!srcIsUpsideDown)
{
GL_EXTCALL(glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, surface->pbo));
checkGLcall("glBindBufferARB");
mem = GL_EXTCALL(glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_READ_WRITE_ARB));
checkGLcall("glMapBufferARB");
}
mem = GL_EXTCALL(glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_WRITE_ARB));
checkGLcall("glMapBufferARB(GL_PIXEL_PACK_BUFFER_ARB, GL_READ_WRITE_ARB)");
}
/* TODO: Merge this with the palettization loop below for P8 targets */
@ -3611,15 +3602,19 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
bottom -= pitch;
}
HeapFree(GetProcessHeap(), 0, row);
/* Unmap the temp PBO buffer */
if (surface->flags & SFLAG_PBO)
{
GL_EXTCALL(glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB));
GL_EXTCALL(glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0));
}
}
if (data.buffer_object)
{
if (!srcIsUpsideDown)
GL_EXTCALL(glUnmapBufferARB(GL_PIXEL_PACK_BUFFER_ARB));
GL_EXTCALL(glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0));
checkGLcall("glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, 0)");
}
context_release(context);
/* For P8 textures we need to perform an inverse palette lookup. This is
* done by searching for a palette index which matches the RGB value.
* Note this isn't guaranteed to work when there are multiple entries for
@ -3657,7 +3652,7 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
&& *green == pal[c].peGreen
&& *blue == pal[c].peBlue)
{
*((BYTE *) dest + y * width + x) = c;
*((BYTE *)data.addr + y * width + x) = c;
break;
}
}
@ -3665,8 +3660,6 @@ static void read_from_framebuffer(struct wined3d_surface *surface, void *dest, U
}
HeapFree(GetProcessHeap(), 0, mem);
}
context_release(context);
}
/* Read the framebuffer contents into a texture. Note that this function
@ -5046,8 +5039,7 @@ static void surface_load_sysmem(struct wined3d_surface *surface,
if (surface->flags & SFLAG_INDRAWABLE)
{
read_from_framebuffer(surface, surface->resource.allocatedMemory,
wined3d_surface_get_pitch(surface));
read_from_framebuffer(surface, wined3d_surface_get_pitch(surface));
return;
}