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-rw-r--r--src/mesa/drivers/common/driverfuncs.c2
-rw-r--r--src/mesa/drivers/dri/swrast/swrast.c84
-rw-r--r--src/mesa/drivers/dri/swrast/swrast_priv.h5
-rw-r--r--src/mesa/main/renderbuffer.c27
-rw-r--r--src/mesa/main/renderbuffer.h12
-rw-r--r--src/mesa/swrast/s_texrender.c1
6 files changed, 127 insertions, 4 deletions
diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c
index 920271626a9..27ea559b3d3 100644
--- a/src/mesa/drivers/common/driverfuncs.c
+++ b/src/mesa/drivers/common/driverfuncs.c
@@ -180,6 +180,8 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
driver->NewFramebuffer = _mesa_new_framebuffer;
driver->NewRenderbuffer = _mesa_new_soft_renderbuffer;
+ driver->MapRenderbuffer = _mesa_map_soft_renderbuffer;
+ driver->UnmapRenderbuffer = _mesa_unmap_soft_renderbuffer;
driver->RenderTexture = _swrast_render_texture;
driver->FinishRenderTexture = _swrast_finish_render_texture;
driver->FramebufferRenderbuffer = _mesa_framebuffer_renderbuffer;
diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
index 75d25253eb4..bc115e8cf1a 100644
--- a/src/mesa/drivers/dri/swrast/swrast.c
+++ b/src/mesa/drivers/dri/swrast/swrast.c
@@ -291,7 +291,7 @@ swrast_alloc_front_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
rb->Data = NULL;
rb->Width = width;
rb->Height = height;
-
+ rb->RowStride = width;
xrb->pitch = bytes_per_line(width * xrb->bpp, 32);
return GL_TRUE;
@@ -315,7 +315,8 @@ swrast_alloc_back_storage(struct gl_context *ctx, struct gl_renderbuffer *rb,
}
static struct swrast_renderbuffer *
-swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front)
+swrast_new_renderbuffer(const struct gl_config *visual, __DRIdrawable *dPriv,
+ GLboolean front)
{
struct swrast_renderbuffer *xrb = calloc(1, sizeof *xrb);
GLuint pixel_format;
@@ -329,6 +330,7 @@ swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front)
pixel_format = choose_pixel_format(visual);
+ xrb->dPriv = dPriv;
xrb->Base.Delete = swrast_delete_renderbuffer;
if (front) {
xrb->Base.AllocStorage = swrast_alloc_front_storage;
@@ -375,6 +377,78 @@ swrast_new_renderbuffer(const struct gl_config *visual, GLboolean front)
return xrb;
}
+static void
+swrast_map_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **out_map,
+ GLint *out_stride)
+{
+ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
+ GLubyte *map = rb->Data;
+ int cpp = _mesa_get_format_bytes(rb->Format);
+ int stride = rb->RowStride * cpp;
+
+ if (rb->AllocStorage == swrast_alloc_front_storage) {
+ __DRIdrawable *dPriv = xrb->dPriv;
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
+
+ xrb->map_mode = mode;
+ xrb->map_x = x;
+ xrb->map_y = y;
+ xrb->map_w = w;
+ xrb->map_h = h;
+
+ stride = w * cpp;
+ rb->Data = malloc(h * stride);
+
+ sPriv->swrast_loader->getImage(dPriv, x, y, w, h,
+ (char *)rb->Data,
+ dPriv->loaderPrivate);
+
+ *out_map = rb->Data;
+ *out_stride = stride;
+ return;
+ }
+
+ ASSERT(rb->Data);
+
+ if (rb->AllocStorage == swrast_alloc_back_storage) {
+ map += (rb->Height - 1) * stride;
+ stride = -stride;
+ }
+
+ map += y * stride;
+ map += x * cpp;
+
+ *out_map = map;
+ *out_stride = stride;
+}
+
+static void
+swrast_unmap_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb)
+{
+ struct swrast_renderbuffer *xrb = swrast_renderbuffer(rb);
+
+ if (rb->AllocStorage == swrast_alloc_front_storage) {
+ __DRIdrawable *dPriv = xrb->dPriv;
+ __DRIscreen *sPriv = dPriv->driScreenPriv;
+
+ if (xrb->map_mode & GL_MAP_WRITE_BIT) {
+ sPriv->swrast_loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_DRAW,
+ xrb->map_x, xrb->map_y,
+ xrb->map_w, xrb->map_h,
+ rb->Data,
+ dPriv->loaderPrivate);
+ }
+
+ free(rb->Data);
+ rb->Data = NULL;
+ }
+}
+
static GLboolean
dri_create_buffer(__DRIscreen * sPriv,
__DRIdrawable * dPriv,
@@ -406,12 +480,12 @@ dri_create_buffer(__DRIscreen * sPriv,
_mesa_initialize_window_framebuffer(fb, visual);
/* add front renderbuffer */
- frontrb = swrast_new_renderbuffer(visual, GL_TRUE);
+ frontrb = swrast_new_renderbuffer(visual, dPriv, GL_TRUE);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontrb->Base);
/* add back renderbuffer */
if (visual->doubleBufferMode) {
- backrb = swrast_new_renderbuffer(visual, GL_FALSE);
+ backrb = swrast_new_renderbuffer(visual, dPriv, GL_FALSE);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backrb->Base);
}
@@ -576,6 +650,8 @@ swrast_init_driver_functions(struct dd_function_table *driver)
driver->GetBufferSize = NULL;
driver->Viewport = viewport;
driver->ChooseTextureFormat = swrastChooseTextureFormat;
+ driver->MapRenderbuffer = swrast_map_renderbuffer;
+ driver->UnmapRenderbuffer = swrast_unmap_renderbuffer;
}
static const char *es2_extensions[] = {
diff --git a/src/mesa/drivers/dri/swrast/swrast_priv.h b/src/mesa/drivers/dri/swrast/swrast_priv.h
index bdb52ef26f1..50e6a83d578 100644
--- a/src/mesa/drivers/dri/swrast/swrast_priv.h
+++ b/src/mesa/drivers/dri/swrast/swrast_priv.h
@@ -102,6 +102,11 @@ swrast_drawable(struct gl_framebuffer *fb)
struct swrast_renderbuffer {
struct gl_renderbuffer Base;
+ __DRIdrawable *dPriv;
+
+ /* GL_MAP_*_BIT, used for mapping of front buffer. */
+ GLbitfield map_mode;
+ int map_x, map_y, map_w, map_h;
/* renderbuffer pitch (in bytes) */
GLuint pitch;
diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c
index 70011e6b24a..5dd46cc9ad0 100644
--- a/src/mesa/main/renderbuffer.c
+++ b/src/mesa/main/renderbuffer.c
@@ -1716,6 +1716,33 @@ _mesa_soft_renderbuffer_storage(struct gl_context *ctx, struct gl_renderbuffer *
}
+void
+_mesa_map_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **out_map,
+ GLint *out_stride)
+{
+ GLubyte *map = rb->Data;
+ int cpp = _mesa_get_format_bytes(rb->Format);
+ int stride = rb->RowStride * cpp;
+
+ ASSERT(rb->Data);
+
+ map += y * stride;
+ map += x * cpp;
+
+ *out_map = map;
+ *out_stride = stride;
+}
+
+void
+_mesa_unmap_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb)
+{
+}
+
/**********************************************************************/
/**********************************************************************/
diff --git a/src/mesa/main/renderbuffer.h b/src/mesa/main/renderbuffer.h
index de471cd6b22..cb0d712ebe6 100644
--- a/src/mesa/main/renderbuffer.h
+++ b/src/mesa/main/renderbuffer.h
@@ -46,6 +46,18 @@ _mesa_delete_renderbuffer(struct gl_renderbuffer *rb);
extern struct gl_renderbuffer *
_mesa_new_soft_renderbuffer(struct gl_context *ctx, GLuint name);
+void
+_mesa_map_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **out_map,
+ GLint *out_stride);
+
+void
+_mesa_unmap_soft_renderbuffer(struct gl_context *ctx,
+ struct gl_renderbuffer *rb);
+
extern void
_mesa_set_renderbuffer_accessors(struct gl_renderbuffer *rb);
diff --git a/src/mesa/swrast/s_texrender.c b/src/mesa/swrast/s_texrender.c
index e2b921512f2..83e7a6a039e 100644
--- a/src/mesa/swrast/s_texrender.c
+++ b/src/mesa/swrast/s_texrender.c
@@ -563,6 +563,7 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
trb->Base.Width = trb->TexImage->Base.Width;
trb->Base.Height = trb->TexImage->Base.Height;
+ trb->Base.RowStride = trb->TexImage->RowStride;
trb->Base.InternalFormat = trb->TexImage->Base.InternalFormat;
trb->Base.Format = trb->TexImage->Base.TexFormat;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 09:45:46 +0000