void
st_init_clear(struct st_context *st)
{
- struct pipe_context *pipe = st->pipe;
struct pipe_screen *pscreen = st->pipe->screen;
memset(&st->clear, 0, sizeof(st->clear));
st->clear.raster.gl_rasterization_rules = 1;
st->clear.enable_ds_separate = pscreen->get_param(pscreen, PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE);
-
- /* fragment shader state: color pass-through program */
- st->clear.fs = util_make_fragment_passthrough_shader(pipe);
-
- /* vertex shader state: color/position pass-through */
- {
- const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_COLOR };
- const uint semantic_indexes[] = { 0, 0 };
- st->clear.vs = util_make_vertex_passthrough_shader(pipe, 2,
- semantic_names,
- semantic_indexes);
- }
}
/**
+ * Helper function to set the fragment shaders.
+ */
+static INLINE void
+set_fragment_shader(struct st_context *st)
+{
+ if (!st->clear.fs)
+ st->clear.fs = util_make_fragment_passthrough_shader(st->pipe);
+
+ cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
+}
+
+
+/**
+ * Helper function to set the vertex shader.
+ */
+static INLINE void
+set_vertex_shader(struct st_context *st)
+{
+ /* vertex shader - still required to provide the linkage between
+ * fragment shader input semantics and vertex_element/buffers.
+ */
+ if (!st->clear.vs)
+ {
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_COLOR };
+ const uint semantic_indexes[] = { 0, 0 };
+ st->clear.vs = util_make_vertex_passthrough_shader(st->pipe, 2,
+ semantic_names,
+ semantic_indexes);
+ }
+
+ cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
+}
+
+
+/**
* Draw a screen-aligned quadrilateral.
* Coords are clip coords with y=0=bottom.
*/
static void
draw_quad(struct st_context *st,
float x0, float y0, float x1, float y1, GLfloat z,
- const GLfloat color[4])
+ const union pipe_color_union *color)
{
struct pipe_context *pipe = st->pipe;
for (i = 0; i < 4; i++) {
st->clear.vertices[i][0][2] = z;
st->clear.vertices[i][0][3] = 1.0;
- st->clear.vertices[i][1][0] = color[0];
- st->clear.vertices[i][1][1] = color[1];
- st->clear.vertices[i][1][2] = color[2];
- st->clear.vertices[i][1][3] = color[3];
+ st->clear.vertices[i][1][0] = color->f[0];
+ st->clear.vertices[i][1][1] = color->f[1];
+ st->clear.vertices[i][1][2] = color->f[2];
+ st->clear.vertices[i][1][3] = color->f[3];
}
/* put vertex data into vbuf */
const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f;
const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f;
const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f;
- float clearColor[4];
+ union pipe_color_union clearColor;
/*
printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__,
cso_save_clip(st->cso_context);
cso_save_fragment_shader(st->cso_context);
cso_save_vertex_shader(st->cso_context);
+ cso_save_geometry_shader(st->cso_context);
cso_save_vertex_elements(st->cso_context);
cso_save_vertex_buffers(st->cso_context);
}
cso_set_clip(st->cso_context, &st->clear.clip);
- cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
- cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
+ set_fragment_shader(st);
+ set_vertex_shader(st);
+ cso_set_geometry_shader_handle(st->cso_context, NULL);
if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
- st_translate_color(ctx->Color.ClearColor,
- ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
- clearColor);
+ st_translate_color(ctx->Color.ClearColor.f,
+ ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
+ clearColor.f);
}
/* draw quad matching scissor rect */
- draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, clearColor);
+ draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, &clearColor);
/* Restore pipe state */
cso_restore_blend(st->cso_context);
cso_restore_clip(st->cso_context);
cso_restore_fragment_shader(st->cso_context);
cso_restore_vertex_shader(st->cso_context);
+ cso_restore_geometry_shader(st->cso_context);
cso_restore_vertex_elements(st->cso_context);
cso_restore_vertex_buffers(st->cso_context);
}
assert(rb->Format == MESA_FORMAT_S8 ||
rb->Format == MESA_FORMAT_Z24_S8 ||
- rb->Format == MESA_FORMAT_S8_Z24);
+ rb->Format == MESA_FORMAT_S8_Z24 ||
+ rb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
if (ctx->Scissor.Enabled &&
(ctx->Scissor.X != 0 ||
assert(rb->Format == MESA_FORMAT_S8 ||
rb->Format == MESA_FORMAT_Z24_S8 ||
- rb->Format == MESA_FORMAT_S8_Z24);
+ rb->Format == MESA_FORMAT_S8_Z24 ||
+ rb->Format == MESA_FORMAT_Z32_FLOAT_X24S8);
if (maskStencil)
return GL_TRUE;
* required from the visual. Hence fix this up to avoid potential
* read-modify-write in the driver.
*/
- float clearColor[4];
+ union pipe_color_union clearColor;
if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) &&
((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
- st_translate_color(ctx->Color.ClearColor,
- ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
- clearColor);
+ st_translate_color(ctx->Color.ClearColor.f,
+ ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
+ clearColor.f);
}
- st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor,
+ st->pipe->clear(st->pipe, clear_buffers, &clearColor,
ctx->Depth.Clear, ctx->Stencil.Clear);
}
if (mask & BUFFER_BIT_ACCUM)