#include "main/fbobject.h"
#include "main/framebuffer.h"
#include "main/macros.h"
+#include "main/mfeatures.h"
#include "main/renderbuffer.h"
#include "pipe/p_context.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
+#include "util/u_surface.h"
/**
* during window resize.
*/
static GLboolean
-st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
+st_renderbuffer_alloc_storage(struct gl_context * ctx,
+ struct gl_renderbuffer *rb,
GLenum internalFormat,
GLuint width, GLuint height)
{
- struct pipe_screen *screen = ctx->st->pipe->screen;
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = st->pipe->screen;
struct st_renderbuffer *strb = st_renderbuffer(rb);
enum pipe_format format;
+ struct pipe_surface surf_tmpl;
if (strb->format != PIPE_FORMAT_NONE)
format = strb->format;
else
- format = st_choose_renderbuffer_format(screen, internalFormat);
+ format = st_choose_renderbuffer_format(screen, internalFormat,
+ rb->NumSamples);
/* init renderbuffer fields */
strb->Base.Width = width;
/* Setup new texture template.
*/
memset(&template, 0, sizeof(template));
- template.target = PIPE_TEXTURE_2D;
+ template.target = st->internal_target;
template.format = format;
template.width0 = width;
template.height0 = height;
template.depth0 = 1;
+ template.array_size = 1;
template.last_level = 0;
template.nr_samples = rb->NumSamples;
if (util_format_is_depth_or_stencil(format)) {
}
else {
template.bind = (PIPE_BIND_DISPLAY_TARGET |
- PIPE_BIND_RENDER_TARGET);
+ PIPE_BIND_RENDER_TARGET);
}
strb->texture = screen->resource_create(screen, &template);
if (!strb->texture)
return FALSE;
- strb->surface = screen->get_tex_surface(screen,
- strb->texture,
- 0, 0, 0,
- template.bind);
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ u_surface_default_template(&surf_tmpl, strb->texture, template.bind);
+ strb->surface = pipe->create_surface(pipe,
+ strb->texture,
+ &surf_tmpl);
if (strb->surface) {
assert(strb->surface->texture);
assert(strb->surface->format);
* gl_renderbuffer::GetPointer()
*/
static void *
-null_get_pointer(GLcontext * ctx, struct gl_renderbuffer *rb,
+null_get_pointer(struct gl_context * ctx, struct gl_renderbuffer *rb,
GLint x, GLint y)
{
/* By returning NULL we force all software rendering to go through
* Called via ctx->Driver.NewFramebuffer()
*/
static struct gl_framebuffer *
-st_new_framebuffer(GLcontext *ctx, GLuint name)
+st_new_framebuffer(struct gl_context *ctx, GLuint name)
{
/* XXX not sure we need to subclass gl_framebuffer for pipe */
return _mesa_new_framebuffer(ctx, name);
* Called via ctx->Driver.NewRenderbuffer()
*/
static struct gl_renderbuffer *
-st_new_renderbuffer(GLcontext *ctx, GLuint name)
+st_new_renderbuffer(struct gl_context *ctx, GLuint name)
{
struct st_renderbuffer *strb = ST_CALLOC_STRUCT(st_renderbuffer);
if (strb) {
strb->software = sw;
switch (format) {
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_R8G8B8X8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_X8R8G8B8_UNORM:
case PIPE_FORMAT_B5G5R5A1_UNORM:
case PIPE_FORMAT_R16G16B16A16_SNORM:
strb->Base.InternalFormat = GL_RGBA16;
break;
+ case PIPE_FORMAT_R8_UNORM:
+ strb->Base.InternalFormat = GL_R8;
+ break;
+ case PIPE_FORMAT_R8G8_UNORM:
+ strb->Base.InternalFormat = GL_RG8;
+ break;
+ case PIPE_FORMAT_R16_UNORM:
+ strb->Base.InternalFormat = GL_R16;
+ break;
+ case PIPE_FORMAT_R16G16_UNORM:
+ strb->Base.InternalFormat = GL_RG16;
+ break;
default:
_mesa_problem(NULL,
"Unexpected format in st_new_renderbuffer_fb");
* Called via ctx->Driver.BindFramebufferEXT().
*/
static void
-st_bind_framebuffer(GLcontext *ctx, GLenum target,
+st_bind_framebuffer(struct gl_context *ctx, GLenum target,
struct gl_framebuffer *fb, struct gl_framebuffer *fbread)
{
* Called by ctx->Driver.FramebufferRenderbuffer
*/
static void
-st_framebuffer_renderbuffer(GLcontext *ctx,
+st_framebuffer_renderbuffer(struct gl_context *ctx,
struct gl_framebuffer *fb,
GLenum attachment,
struct gl_renderbuffer *rb)
* Called by ctx->Driver.RenderTexture
*/
static void
-st_render_texture(GLcontext *ctx,
+st_render_texture(struct gl_context *ctx,
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att)
{
- struct st_context *st = ctx->st;
+ struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = ctx->st->pipe->screen;
struct st_renderbuffer *strb;
struct gl_renderbuffer *rb;
- struct pipe_resource *pt = st_get_texobj_texture(att->Texture);
+ struct pipe_resource *pt = st_get_texobj_resource(att->Texture);
struct st_texture_object *stObj;
const struct gl_texture_image *texImage;
- GLint pt_level;
+ struct pipe_surface surf_tmpl;
/* When would this fail? Perhaps assert? */
if (!pt)
return;
- /* The first gallium texture level = Mesa BaseLevel */
- pt_level = MAX2(0, (GLint) att->TextureLevel - att->Texture->BaseLevel);
- texImage = att->Texture->Image[att->CubeMapFace][pt_level];
+ /* get pointer to texture image we're rendeing to */
+ texImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
/* create new renderbuffer which wraps the texture image */
rb = st_new_renderbuffer(ctx, 0);
/* point renderbuffer at texobject */
strb->rtt = stObj;
- strb->rtt_level = pt_level;
+ strb->rtt_level = att->TextureLevel;
strb->rtt_face = att->CubeMapFace;
strb->rtt_slice = att->Zoffset;
assert(strb->rtt_level <= strb->texture->last_level);
/* new surface for rendering into the texture */
- strb->surface = screen->get_tex_surface(screen,
- strb->texture,
- strb->rtt_face,
- strb->rtt_level,
- strb->rtt_slice,
- PIPE_BIND_RENDER_TARGET);
+ memset(&surf_tmpl, 0, sizeof(surf_tmpl));
+ surf_tmpl.format = ctx->Color.sRGBEnabled ? strb->texture->format : util_format_linear(strb->texture->format);
+ surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
+ surf_tmpl.u.tex.level = strb->rtt_level;
+ surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice;
+ surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice;
+ strb->surface = pipe->create_surface(pipe,
+ strb->texture,
+ &surf_tmpl);
strb->format = pt->format;
* Called via ctx->Driver.FinishRenderTexture.
*/
static void
-st_finish_render_texture(GLcontext *ctx,
+st_finish_render_texture(struct gl_context *ctx,
struct gl_renderbuffer_attachment *att)
{
+ struct st_context *st = st_context(ctx);
struct st_renderbuffer *strb = st_renderbuffer(att->Renderbuffer);
if (!strb)
return;
- st_flush( ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL );
+ st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL);
strb->rtt = NULL;
/**
- * Validate a renderbuffer attachment for a particular usage.
+ * Validate a renderbuffer attachment for a particular set of bindings.
*/
-
static GLboolean
-st_validate_attachment(struct pipe_screen *screen,
+st_validate_attachment(struct gl_context *ctx,
+ struct pipe_screen *screen,
const struct gl_renderbuffer_attachment *att,
- GLuint usage)
+ unsigned bindings)
{
- const struct st_texture_object *stObj =
- st_texture_object(att->Texture);
+ const struct st_texture_object *stObj = st_texture_object(att->Texture);
+ enum pipe_format format;
+ gl_format texFormat;
- /**
- * Only validate texture attachments for now, since
+ /* Only validate texture attachments for now, since
* st_renderbuffer_alloc_storage makes sure that
* the format is supported.
*/
-
if (att->Type != GL_TEXTURE)
return GL_TRUE;
if (!stObj)
return GL_FALSE;
- return screen->is_format_supported(screen, stObj->pt->format,
- PIPE_TEXTURE_2D,
- usage, 0);
+ format = stObj->pt->format;
+ texFormat =
+ stObj->base.Image[att->CubeMapFace][att->TextureLevel]->TexFormat;
+
+ /* If the encoding is sRGB and sRGB rendering cannot be enabled,
+ * check for linear format support instead.
+ * Later when we create a surface, we change the format to a linear one. */
+ if (!ctx->Const.sRGBCapable &&
+ _mesa_get_format_color_encoding(texFormat) == GL_SRGB) {
+ const gl_format linearFormat = _mesa_get_srgb_format_linear(texFormat);
+ format = st_mesa_format_to_pipe_format(linearFormat);
+ }
+
+ return screen->is_format_supported(screen, format,
+ PIPE_TEXTURE_2D,
+ stObj->pt->nr_samples, bindings, 0);
}
+
+/**
+ * Check if two renderbuffer attachments name a combined depth/stencil
+ * renderbuffer.
+ */
+GLboolean
+st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth,
+ const struct gl_renderbuffer_attachment *stencil)
+{
+ assert(depth && stencil);
+
+ if (depth->Type == stencil->Type) {
+ if (depth->Type == GL_RENDERBUFFER_EXT &&
+ depth->Renderbuffer == stencil->Renderbuffer)
+ return GL_TRUE;
+
+ if (depth->Type == GL_TEXTURE &&
+ depth->Texture == stencil->Texture)
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+
/**
* Check that the framebuffer configuration is valid in terms of what
* the driver can support.
* For Gallium we only supports combined Z+stencil, not separate buffers.
*/
static void
-st_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
+st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
{
- struct pipe_screen *screen = ctx->st->pipe->screen;
- const struct gl_renderbuffer *depthRb =
- fb->Attachment[BUFFER_DEPTH].Renderbuffer;
- const struct gl_renderbuffer *stencilRb =
- fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+ struct st_context *st = st_context(ctx);
+ struct pipe_screen *screen = st->pipe->screen;
+ const struct gl_renderbuffer_attachment *depth =
+ &fb->Attachment[BUFFER_DEPTH];
+ const struct gl_renderbuffer_attachment *stencil =
+ &fb->Attachment[BUFFER_STENCIL];
GLuint i;
- if (stencilRb && depthRb && stencilRb != depthRb) {
+ if (depth->Type && stencil->Type && depth->Type != stencil->Type) {
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
+ return;
+ }
+ if (depth->Type == GL_RENDERBUFFER_EXT &&
+ stencil->Type == GL_RENDERBUFFER_EXT &&
+ depth->Renderbuffer != stencil->Renderbuffer) {
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
+ return;
+ }
+ if (depth->Type == GL_TEXTURE &&
+ stencil->Type == GL_TEXTURE &&
+ depth->Texture != stencil->Texture) {
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
return;
}
- if (!st_validate_attachment(screen,
- &fb->Attachment[BUFFER_DEPTH],
+ if (!st_validate_attachment(ctx,
+ screen,
+ depth,
PIPE_BIND_DEPTH_STENCIL)) {
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
return;
}
- if (!st_validate_attachment(screen,
- &fb->Attachment[BUFFER_STENCIL],
+ if (!st_validate_attachment(ctx,
+ screen,
+ stencil,
PIPE_BIND_DEPTH_STENCIL)) {
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
return;
}
for (i = 0; i < ctx->Const.MaxColorAttachments; i++) {
- if (!st_validate_attachment(screen,
+ if (!st_validate_attachment(ctx,
+ screen,
&fb->Attachment[BUFFER_COLOR0 + i],
PIPE_BIND_RENDER_TARGET)) {
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
* Called via glDrawBuffer.
*/
static void
-st_DrawBuffers(GLcontext *ctx, GLsizei count, const GLenum *buffers)
+st_DrawBuffers(struct gl_context *ctx, GLsizei count, const GLenum *buffers)
{
- GLframebuffer *fb = ctx->DrawBuffer;
+ struct st_context *st = st_context(ctx);
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
GLuint i;
(void) count;
/* add the renderbuffers on demand */
for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i];
- st_manager_add_color_renderbuffer(ctx->st, fb, idx);
+ st_manager_add_color_renderbuffer(st, fb, idx);
}
}
* Called via glReadBuffer.
*/
static void
-st_ReadBuffer(GLcontext *ctx, GLenum buffer)
+st_ReadBuffer(struct gl_context *ctx, GLenum buffer)
{
- GLframebuffer *fb = ctx->ReadBuffer;
+ struct st_context *st = st_context(ctx);
+ struct gl_framebuffer *fb = ctx->ReadBuffer;
(void) buffer;
/* add the renderbuffer on demand */
- st_manager_add_color_renderbuffer(ctx->st, fb, fb->_ColorReadBufferIndex);
+ st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex);
}
void st_init_fbo_functions(struct dd_function_table *functions)
{
+#if FEATURE_EXT_framebuffer_object
functions->NewFramebuffer = st_new_framebuffer;
functions->NewRenderbuffer = st_new_renderbuffer;
functions->BindFramebuffer = st_bind_framebuffer;
functions->RenderTexture = st_render_texture;
functions->FinishRenderTexture = st_finish_render_texture;
functions->ValidateFramebuffer = st_validate_framebuffer;
+#endif
/* no longer needed by core Mesa, drivers handle resizes...
functions->ResizeBuffers = st_resize_buffers;
*/
functions->ReadBuffer = st_ReadBuffer;
}
+/* XXX unused ? */
struct pipe_sampler_view *
st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb,
struct pipe_context *pipe)