i915: Remove unused initial and current state, now that there's nothing else.

src/mesa/drivers/dri/i915/i830_context.h

@@ -144,7 +144,7 @@ struct i830_context
    GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS];
      DECLARE_RENDERINPUTS(last_index_bitset);
 
-   struct i830_hw_state initial, state, *current;
+   struct i830_hw_state state;
 };
 
 

src/mesa/drivers/dri/i915/i830_state.c

@@ -1127,9 +1127,6 @@ i830InitState(struct i830_context *i830)
 
    _mesa_init_driver_state(ctx);
 
-   memcpy(&i830->initial, &i830->state, sizeof(i830->state));
-
-   i830->current = &i830->state;
    i830->state.emitted = 0;
    i830->state.active = (I830_UPLOAD_INVARIENT |
                          I830_UPLOAD_RASTER_RULES |

src/mesa/drivers/dri/i915/i830_vtbl.c

@@ -235,8 +235,8 @@ static GLboolean
 i830_check_vertex_size(struct intel_context *intel, GLuint expected)
 {
    struct i830_context *i830 = i830_context(&intel->ctx);
-   int vft0 = i830->current->Ctx[I830_CTXREG_VF];
-   int vft1 = i830->current->Ctx[I830_CTXREG_VF2];
+   int vft0 = i830->state.Ctx[I830_CTXREG_VF];
+   int vft1 = i830->state.Ctx[I830_CTXREG_VF2];
    int nrtex = (vft0 & VFT0_TEX_COUNT_MASK) >> VFT0_TEX_COUNT_SHIFT;
    int i, sz = 0;
 
@@ -412,7 +412,7 @@ static void
 i830_emit_state(struct intel_context *intel)
 {
    struct i830_context *i830 = i830_context(&intel->ctx);
-   struct i830_hw_state *state = i830->current;
+   struct i830_hw_state *state = &i830->state;
    int i, count;
    GLuint dirty;
    dri_bo *aper_array[3 + I830_TEX_UNITS];
@@ -575,8 +575,6 @@ i830_destroy_context(struct intel_context *intel)
 
    intel_region_release(&i830->state.draw_region);
    intel_region_release(&i830->state.depth_region);
-   intel_region_release(&i830->initial.draw_region);
-   intel_region_release(&i830->initial.depth_region);
 
    for (i = 0; i < I830_TEX_UNITS; i++) {
       if (i830->state.tex_buffer[i] != NULL) {
@@ -679,8 +677,7 @@ static void
 i830_assert_not_dirty( struct intel_context *intel )
 {
    struct i830_context *i830 = i830_context(&intel->ctx);
-   struct i830_hw_state *state = i830->current;
-   assert(!get_dirty(state));
+   assert(!get_dirty(&i830->state));
 }
 
 static void

src/mesa/drivers/dri/i915/i915_context.h

@@ -259,7 +259,7 @@ struct i915_context
 
    struct i915_fragment_program *current_program;
 
-   struct i915_hw_state initial, state, *current;
+   struct i915_hw_state state;
 };
 
 

src/mesa/drivers/dri/i915/i915_state.c

@@ -1157,7 +1157,4 @@ i915InitState(struct i915_context *i915)
    i915_init_packets(i915);
 
    _mesa_init_driver_state(ctx);
-
-   memcpy(&i915->initial, &i915->state, sizeof(i915->state));
-   i915->current = &i915->state;
 }

src/mesa/drivers/dri/i915/i915_vtbl.c

@@ -97,8 +97,8 @@ static GLboolean
 i915_check_vertex_size(struct intel_context *intel, GLuint expected)
 {
    struct i915_context *i915 = i915_context(&intel->ctx);
-   int lis2 = i915->current->Ctx[I915_CTXREG_LIS2];
-   int lis4 = i915->current->Ctx[I915_CTXREG_LIS4];
+   int lis2 = i915->state.Ctx[I915_CTXREG_LIS2];
+   int lis4 = i915->state.Ctx[I915_CTXREG_LIS4];
    int i, sz = 0;
 
    switch (lis4 & S4_VFMT_XYZW_MASK) {
@@ -284,7 +284,7 @@ static void
 i915_emit_state(struct intel_context *intel)
 {
    struct i915_context *i915 = i915_context(&intel->ctx);
-   struct i915_hw_state *state = i915->current;
+   struct i915_hw_state *state = &i915->state;
    int i, count, aper_count;
    GLuint dirty;
    dri_bo *aper_array[3 + I915_TEX_UNITS];
@@ -493,8 +493,6 @@ i915_destroy_context(struct intel_context *intel)
 
    intel_region_release(&i915->state.draw_region);
    intel_region_release(&i915->state.depth_region);
-   intel_region_release(&i915->initial.draw_region);
-   intel_region_release(&i915->initial.depth_region);
 
    for (i = 0; i < I915_TEX_UNITS; i++) {
       if (i915->state.tex_buffer[i] != NULL) {
@@ -628,8 +626,7 @@ static void
 i915_assert_not_dirty( struct intel_context *intel )
 {
    struct i915_context *i915 = i915_context(&intel->ctx);
-   struct i915_hw_state *state = i915->current;
-   GLuint dirty = get_dirty(state);
+   GLuint dirty = get_dirty(&i915->state);
    assert(!dirty);
 }