[Mesa-dev] [PATCH 12/18] mesa/i965: Refactor brw_is_front_buffer_{drawing, reading} to common code

Iago Toral itoral at igalia.com
Tue Oct 6 00:02:13 PDT 2015


On Wed, 2015-09-30 at 13:58 -0700, Ian Romanick wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
> 
> There are multiple similar implementations of these functions, and a
> later patch was going to add another.
> 
> Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
> ---
>  src/mesa/drivers/dri/i965/brw_context.c   | 15 ++++++++-------
>  src/mesa/drivers/dri/i965/brw_draw.c      |  3 ++-
>  src/mesa/drivers/dri/i965/intel_buffers.c | 24 ++----------------------
>  src/mesa/drivers/dri/i965/intel_buffers.h |  5 -----
>  src/mesa/main/framebuffer.c               | 19 +++++++++++++++++++
>  src/mesa/main/framebuffer.h               |  6 ++++++
>  6 files changed, 37 insertions(+), 35 deletions(-)
> 
> diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
> index 4d49929..3f64fbb 100644
> --- a/src/mesa/drivers/dri/i965/brw_context.c
> +++ b/src/mesa/drivers/dri/i965/brw_context.c
> @@ -41,6 +41,7 @@
>  #include "main/version.h"
>  #include "main/vtxfmt.h"
>  #include "main/texobj.h"
> +#include "main/framebuffer.h"
>  
>  #include "vbo/vbo_context.h"
>  
> @@ -1298,7 +1299,7 @@ intel_prepare_render(struct brw_context *brw)
>      * that will happen next will probably dirty the front buffer.  So
>      * mark it as dirty here.
>      */
> -   if (brw_is_front_buffer_drawing(ctx->DrawBuffer))
> +   if (_mesa_is_front_buffer_drawing(ctx->DrawBuffer))
>        brw->front_buffer_dirty = true;
>  }
>  
> @@ -1337,8 +1338,8 @@ intel_query_dri2_buffers(struct brw_context *brw,
>     back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT);
>  
>     memset(attachments, 0, sizeof(attachments));
> -   if ((brw_is_front_buffer_drawing(fb) ||
> -        brw_is_front_buffer_reading(fb) ||
> +   if ((_mesa_is_front_buffer_drawing(fb) ||
> +        _mesa_is_front_buffer_reading(fb) ||
>          !back_rb) && front_rb) {
>        /* If a fake front buffer is in use, then querying for
>         * __DRI_BUFFER_FRONT_LEFT will cause the server to copy the image from
> @@ -1452,7 +1453,7 @@ intel_process_dri2_buffer(struct brw_context *brw,
>                                              drawable->w, drawable->h,
>                                              buffer->pitch);
>  
> -   if (brw_is_front_buffer_drawing(fb) &&
> +   if (_mesa_is_front_buffer_drawing(fb) &&
>         (buffer->attachment == __DRI_BUFFER_FRONT_LEFT ||
>          buffer->attachment == __DRI_BUFFER_FAKE_FRONT_LEFT) &&
>         rb->Base.Base.NumSamples > 1) {
> @@ -1510,7 +1511,7 @@ intel_update_image_buffer(struct brw_context *intel,
>                                              buffer->width, buffer->height,
>                                              buffer->pitch);
>  
> -   if (brw_is_front_buffer_drawing(fb) &&
> +   if (_mesa_is_front_buffer_drawing(fb) &&
>         buffer_type == __DRI_IMAGE_BUFFER_FRONT &&
>         rb->Base.Base.NumSamples > 1) {
>        intel_renderbuffer_upsample(intel, rb);
> @@ -1538,8 +1539,8 @@ intel_update_image_buffers(struct brw_context *brw, __DRIdrawable *drawable)
>     else
>        return;
>  
> -   if (front_rb && (brw_is_front_buffer_drawing(fb) ||
> -                    brw_is_front_buffer_reading(fb) || !back_rb)) {
> +   if (front_rb && (_mesa_is_front_buffer_drawing(fb) ||
> +                    _mesa_is_front_buffer_reading(fb) || !back_rb)) {
>        buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
>     }
>  
> diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
> index 6a75e06..9357a2d 100644
> --- a/src/mesa/drivers/dri/i965/brw_draw.c
> +++ b/src/mesa/drivers/dri/i965/brw_draw.c
> @@ -33,6 +33,7 @@
>  #include "main/enums.h"
>  #include "main/macros.h"
>  #include "main/transformfeedback.h"
> +#include "main/framebuffer.h"
>  #include "tnl/tnl.h"
>  #include "vbo/vbo_context.h"
>  #include "swrast/swrast.h"
> @@ -364,7 +365,7 @@ brw_postdraw_set_buffers_need_resolve(struct brw_context *brw)
>     struct intel_renderbuffer *stencil_irb = intel_get_renderbuffer(fb, BUFFER_STENCIL);
>     struct gl_renderbuffer_attachment *depth_att = &fb->Attachment[BUFFER_DEPTH];
>  
> -   if (brw_is_front_buffer_drawing(fb))
> +   if (_mesa_is_front_buffer_drawing(fb))
>        front_irb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
>  
>     if (front_irb)
> diff --git a/src/mesa/drivers/dri/i965/intel_buffers.c b/src/mesa/drivers/dri/i965/intel_buffers.c
> index c98e193..fd522cc 100644
> --- a/src/mesa/drivers/dri/i965/intel_buffers.c
> +++ b/src/mesa/drivers/dri/i965/intel_buffers.c
> @@ -32,30 +32,10 @@
>  #include "main/framebuffer.h"
>  #include "main/renderbuffer.h"
>  
> -
> -bool
> -brw_is_front_buffer_reading(struct gl_framebuffer *fb)
> -{
> -   if (!fb || _mesa_is_user_fbo(fb))
> -      return false;
> -
> -   return fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT;
> -}
> -
> -bool
> -brw_is_front_buffer_drawing(struct gl_framebuffer *fb)
> -{
> -   if (!fb || _mesa_is_user_fbo(fb))
> -      return false;
> -
> -   return (fb->_NumColorDrawBuffers >= 1 &&
> -           fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT);
> -}
> -
>  static void
>  intelDrawBuffer(struct gl_context * ctx, GLenum mode)
>  {
> -   if (brw_is_front_buffer_drawing(ctx->DrawBuffer)) {
> +   if (_mesa_is_front_buffer_drawing(ctx->DrawBuffer)) {
>        struct brw_context *const brw = brw_context(ctx);
>  
>        /* If we might be front-buffer rendering on this buffer for the first
> @@ -71,7 +51,7 @@ intelDrawBuffer(struct gl_context * ctx, GLenum mode)
>  static void
>  intelReadBuffer(struct gl_context * ctx, GLenum mode)
>  {
> -   if (brw_is_front_buffer_reading(ctx->ReadBuffer)) {
> +   if (_mesa_is_front_buffer_reading(ctx->ReadBuffer)) {
>        struct brw_context *const brw = brw_context(ctx);
>  
>        /* If we might be front-buffer reading on this buffer for the first
> diff --git a/src/mesa/drivers/dri/i965/intel_buffers.h b/src/mesa/drivers/dri/i965/intel_buffers.h
> index 85f54b2..0e0d9c3 100644
> --- a/src/mesa/drivers/dri/i965/intel_buffers.h
> +++ b/src/mesa/drivers/dri/i965/intel_buffers.h
> @@ -30,11 +30,6 @@
>  #include "drm.h"
>  #include "brw_context.h"
>  
> -struct intel_framebuffer;
> -

Oh, it seems there simply wasn't a definition of this any more... then
you probably also want remove the obsolete comment in
intel_new_framebuffer (intel_fbo.c).

Reviewed-by: Iago Toral Quiroga <itoral at igalia.com>

>  extern void intelInitBufferFuncs(struct dd_function_table *functions);
>  
> -bool brw_is_front_buffer_reading(struct gl_framebuffer *fb);
> -bool brw_is_front_buffer_drawing(struct gl_framebuffer *fb);
> -
>  #endif /* INTEL_BUFFERS_H */
> diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
> index 37e2c29..a958e44 100644
> --- a/src/mesa/main/framebuffer.c
> +++ b/src/mesa/main/framebuffer.c
> @@ -965,3 +965,22 @@ _mesa_print_framebuffer(const struct gl_framebuffer *fb)
>        }
>     }
>  }
> +
> +bool
> +_mesa_is_front_buffer_reading(const struct gl_framebuffer *fb)
> +{
> +   if (!fb || _mesa_is_user_fbo(fb))
> +      return false;
> +
> +   return fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT;
> +}
> +
> +bool
> +_mesa_is_front_buffer_drawing(const struct gl_framebuffer *fb)
> +{
> +   if (!fb || _mesa_is_user_fbo(fb))
> +      return false;
> +
> +   return (fb->_NumColorDrawBuffers >= 1 &&
> +           fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT);
> +}
> diff --git a/src/mesa/main/framebuffer.h b/src/mesa/main/framebuffer.h
> index 08e4322..bfc8a08 100644
> --- a/src/mesa/main/framebuffer.h
> +++ b/src/mesa/main/framebuffer.h
> @@ -139,4 +139,10 @@ _mesa_get_read_renderbuffer_for_format(const struct gl_context *ctx,
>  extern void
>  _mesa_print_framebuffer(const struct gl_framebuffer *fb);
>  
> +extern bool
> +_mesa_is_front_buffer_reading(const struct gl_framebuffer *fb);
> +
> +extern bool
> +_mesa_is_front_buffer_drawing(const struct gl_framebuffer *fb);
> +
>  #endif /* FRAMEBUFFER_H */




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