[gtk/wip/baedert/gl-rework: 67/127] gl renderer: stop copying current color around



commit 83df085efffa2aaa16a3252dc3a003bdf3f4c0e3
Author: Timm Bäder <mail baedert org>
Date:   Tue Dec 10 15:08:47 2019 +0100

    gl renderer: stop copying current color around
    
    Just use a pointer now.

 gsk/gl/gskglrenderer.c         | 25 +++++++------------------
 gsk/gl/gskglrenderops.c        | 25 +++++++------------------
 gsk/gl/gskglrenderopsprivate.h |  4 ++--
 gsk/gl/opbuffer.h              |  6 +++---
 4 files changed, 19 insertions(+), 41 deletions(-)
---
diff --git a/gsk/gl/gskglrenderer.c b/gsk/gl/gskglrenderer.c
index 5d9c49bc6e..859e574e9c 100644
--- a/gsk/gl/gskglrenderer.c
+++ b/gsk/gl/gskglrenderer.c
@@ -192,16 +192,6 @@ dump_node (GskRenderNode *node,
   cairo_surface_destroy (surface);
 }
 
-static inline void
-rgba_to_float (const GdkRGBA *c,
-               float         *f)
-{
-  f[0] = c->red;
-  f[1] = c->green;
-  f[2] = c->blue;
-  f[3] = c->alpha;
-}
-
 static inline gboolean
 node_is_invisible (const GskRenderNode *node)
 {
@@ -1567,7 +1557,7 @@ render_unblurred_inset_shadow_node (GskGLRenderer   *self,
 
   ops_set_program (builder, &self->inset_shadow_program);
   op = ops_begin (builder, OP_CHANGE_INSET_SHADOW);
-  rgba_to_float (gsk_inset_shadow_node_peek_color (node), op->color);
+  op->color = gsk_inset_shadow_node_peek_color (node);
   rounded_rect_to_floats (self, builder,
                           gsk_inset_shadow_node_peek_outline (node),
                           op->outline,
@@ -1660,7 +1650,7 @@ render_inset_shadow_node (GskGLRenderer   *self,
       /* Actual inset shadow outline drawing */
       ops_set_program (builder, &self->inset_shadow_program);
       op = ops_begin (builder, OP_CHANGE_INSET_SHADOW);
-      rgba_to_float (gsk_inset_shadow_node_peek_color (node), op->color);
+      op->color = gsk_inset_shadow_node_peek_color (node);
       rounded_rect_to_floats (self, builder,
                               &outline_to_blur,
                               op->outline,
@@ -1757,7 +1747,7 @@ render_unblurred_outset_shadow_node (GskGLRenderer   *self,
 
   ops_set_program (builder, &self->unblurred_outset_shadow_program);
   op = ops_begin (builder, OP_CHANGE_UNBLURRED_OUTSET_SHADOW);
-  rgba_to_float (gsk_outset_shadow_node_peek_color (node), op->color);
+  op->color = gsk_outset_shadow_node_peek_color (node);
 
   rounded_rect_to_floats (self, builder,
                           outline,
@@ -2496,8 +2486,7 @@ apply_color_op (const Program *program,
 {
   OP_PRINT (" -> Color: (%f, %f, %f, %f)",
             op->rgba.red, op->rgba.green, op->rgba.blue, op->rgba.alpha);
-  glUniform4f (program->color.color_location,
-               op->rgba.red, op->rgba.green, op->rgba.blue, op->rgba.alpha);
+  glUniform4fv (program->color.color_location, 1, (float *)op->rgba);
 }
 
 static inline void
@@ -2589,7 +2578,7 @@ apply_inset_shadow_op (const Program  *program,
             op->corner_heights[1],
             op->corner_heights[2],
             op->corner_heights[3]);
-  glUniform4fv (program->inset_shadow.color_location, 1, op->color);
+  glUniform4fv (program->inset_shadow.color_location, 1, (float *)op->color);
   glUniform2fv (program->inset_shadow.offset_location, 1, op->offset);
   glUniform1f (program->inset_shadow.spread_location, op->spread);
   glUniform4fv (program->inset_shadow.outline_location, 1, op->outline);
@@ -2602,7 +2591,7 @@ apply_unblurred_outset_shadow_op (const Program  *program,
                                   const OpShadow *op)
 {
   OP_PRINT (" -> unblurred outset shadow");
-  glUniform4fv (program->unblurred_outset_shadow.color_location, 1, op->color);
+  glUniform4fv (program->unblurred_outset_shadow.color_location, 1, (float *)op->color);
   glUniform2fv (program->unblurred_outset_shadow.offset_location, 1, op->offset);
   glUniform1f (program->unblurred_outset_shadow.spread_location, op->spread);
   glUniform4fv (program->unblurred_outset_shadow.outline_location, 1, op->outline);
@@ -2684,7 +2673,7 @@ apply_border_color_op (const Program  *program,
 {
   OP_PRINT (" -> Border color (%f, %f, %f, %f)",
             op->color[0], op->color[1], op->color[2], op->color[3]);
-  glUniform4fv (program->border.color_location, 1, op->color);
+  glUniform4fv (program->border.color_location, 1, (float *)op->color);
 }
 
 static inline void
diff --git a/gsk/gl/gskglrenderops.c b/gsk/gl/gskglrenderops.c
index 1c4f679e43..84774e29aa 100644
--- a/gsk/gl/gskglrenderops.c
+++ b/gsk/gl/gskglrenderops.c
@@ -41,16 +41,6 @@ ops_finish (RenderOpBuilder *builder)
   builder->current_viewport = GRAPHENE_RECT_INIT (0, 0, 0, 0);
 }
 
-static inline void
-rgba_to_float (const GdkRGBA *c,
-               float         *f)
-{
-  f[0] = c->red;
-  f[1] = c->green;
-  f[2] = c->blue;
-  f[3] = c->alpha;
-}
-
 /* Debugging only! */
 void
 ops_dump_framebuffer (RenderOpBuilder *builder,
@@ -594,10 +584,10 @@ ops_set_color (RenderOpBuilder *builder,
   if (gdk_rgba_equal (color, &current_program_state->color))
     return;
 
-  current_program_state->color = *color;
+  current_program_state->color = color;
 
   op = ops_begin (builder, OP_CHANGE_COLOR);
-  op->rgba = *color;
+  op->rgba = color;
 }
 
 void
@@ -668,16 +658,15 @@ ops_set_border_color (RenderOpBuilder *builder,
 {
   ProgramState *current_program_state = get_current_program_state (builder);
   OpBorder *op;
-  float fcolor[4];
 
-  rgba_to_float (color, fcolor);
-
-  if (memcmp (fcolor, &current_program_state->border.color, sizeof fcolor) == 0)
+  if (current_program_state->border.color &&
+      gdk_rgba_equal (color, current_program_state->border.color))
     return;
 
   op = op_buffer_add (&builder->render_ops, OP_CHANGE_BORDER_COLOR);
-  memcpy (op->color, fcolor, sizeof (float[4]));
-  memcpy (current_program_state->border.color, fcolor, sizeof (float[4]));
+  op->color = color;
+
+  current_program_state->border.color = color;
 }
 
 void
diff --git a/gsk/gl/gskglrenderopsprivate.h b/gsk/gl/gskglrenderopsprivate.h
index d5a223450e..f095a194ba 100644
--- a/gsk/gl/gskglrenderopsprivate.h
+++ b/gsk/gl/gskglrenderopsprivate.h
@@ -127,14 +127,14 @@ typedef struct
   float opacity;
   /* Per-program state */
   union {
-    GdkRGBA color;
+    const GdkRGBA *color;
     struct {
       graphene_matrix_t matrix;
       graphene_vec4_t offset;
     } color_matrix;
     struct {
       float widths[4];
-      float color[4];
+      const GdkRGBA *color;
       GskRoundedRect outline;
     } border;
   };
diff --git a/gsk/gl/opbuffer.h b/gsk/gl/opbuffer.h
index ed40775878..210e7ed5c9 100644
--- a/gsk/gl/opbuffer.h
+++ b/gsk/gl/opbuffer.h
@@ -77,7 +77,7 @@ typedef struct
 
 typedef struct
 {
-  GdkRGBA rgba;
+  const GdkRGBA *rgba;
 } OpColor;
 
 typedef struct
@@ -135,13 +135,13 @@ typedef struct
   float corner_heights[4];
   float spread;
   float offset[2];
-  float color[4];
+  const GdkRGBA *color;
 } OpShadow;
 
 typedef struct
 {
   float widths[4];
-  float color[4];
+  const GdkRGBA *color;
   GskRoundedRect outline;
 } OpBorder;
 


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