#include "clear.h"
#include "context.h"
#include "enums.h"
+#include "fbobject.h"
+#include "get.h"
#include "macros.h"
#include "mtypes.h"
#include "state.h"
* \param alpha alpha component.
*
* \sa glClearColor().
- *
- * Clamps the parameters and updates gl_colorbuffer_attrib::ClearColor. On a
- * change, flushes the vertices and notifies the driver via the
- * dd_function_table::ClearColor callback.
*/
void GLAPIENTRY
_mesa_ClearColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
/**
* Clear buffers.
- *
+ *
* \param mask bit-mask indicating the buffers to be cleared.
*
- * Flushes the vertices and verifies the parameter. If __struct gl_contextRec::NewState
- * is set then calls _mesa_update_state() to update gl_frame_buffer::_Xmin,
- * etc. If the rasterization mode is set to GL_RENDER then requests the driver
- * to clear the buffers, via the dd_function_table::Clear callback.
- */
+ * Flushes the vertices and verifies the parameter.
+ * If __struct gl_contextRec::NewState is set then calls _mesa_update_state()
+ * to update gl_frame_buffer::_Xmin, etc. If the rasterization mode is set to
+ * GL_RENDER then requests the driver to clear the buffers, via the
+ * dd_function_table::Clear callback.
+ */
void GLAPIENTRY
_mesa_Clear( GLbitfield mask )
{
bufferMask |= BUFFER_BIT_ACCUM;
}
- ASSERT(ctx->Driver.Clear);
+ assert(ctx->Driver.Clear);
ctx->Driver.Clear(ctx, bufferMask);
}
}
/** Returned by make_color_buffer_mask() for errors */
-#define INVALID_MASK ~0x0
+#define INVALID_MASK ~0x0U
/**
_mesa_update_state( ctx );
}
+ /* Page 498 of the PDF, section '17.4.3.1 Clearing Individual Buffers'
+ * of the OpenGL 4.5 spec states:
+ *
+ * "An INVALID_ENUM error is generated by ClearBufferiv and
+ * ClearNamedFramebufferiv if buffer is not COLOR or STENCIL."
+ */
+ if (buffer == GL_DEPTH || buffer == GL_DEPTH_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glClearBufferiv(buffer=GL_DEPTH || GL_DEPTH_STENCIL)");
+ return;
+ }
+
switch (buffer) {
case GL_STENCIL:
/* Page 264 (page 280 of the PDF) of the OpenGL 3.0 spec says:
drawbuffer);
return;
}
- else if (ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer && !ctx->RasterDiscard) {
+ else if (ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer
+ && !ctx->RasterDiscard) {
/* Save current stencil clear value, set to 'value', do the
* stencil clear and restore the clear value.
* XXX in the future we may have a new ctx->Driver.ClearBuffer()
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glClearBufferiv(buffer=%s)",
- _mesa_lookup_enum_by_nr(buffer));
+ _mesa_enum_to_string(buffer));
return;
}
}
+/**
+ * The ClearBuffer framework is so complicated and so riddled with the
+ * assumption that the framebuffer is bound that, for now, we will just fake
+ * direct state access clearing for the user.
+ */
+void GLAPIENTRY
+_mesa_ClearNamedFramebufferiv(GLuint framebuffer, GLenum buffer,
+ GLint drawbuffer, const GLint *value)
+{
+ GLint oldfb;
+
+ _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &oldfb);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
+ _mesa_ClearBufferiv(buffer, drawbuffer, value);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, (GLuint) oldfb);
+}
+
+
/**
* New in GL 3.0
* Clear unsigned integer color buffer (not depth, not stencil).
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glClearBufferuiv(buffer=%s)",
- _mesa_lookup_enum_by_nr(buffer));
+ _mesa_enum_to_string(buffer));
return;
}
}
+/**
+ * The ClearBuffer framework is so complicated and so riddled with the
+ * assumption that the framebuffer is bound that, for now, we will just fake
+ * direct state access clearing for the user.
+ */
+void GLAPIENTRY
+_mesa_ClearNamedFramebufferuiv(GLuint framebuffer, GLenum buffer,
+ GLint drawbuffer, const GLuint *value)
+{
+ GLint oldfb;
+
+ _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &oldfb);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
+ _mesa_ClearBufferuiv(buffer, drawbuffer, value);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, (GLuint) oldfb);
+}
+
+
/**
* New in GL 3.0
* Clear fixed-pt or float color buffer or depth buffer (not stencil).
drawbuffer);
return;
}
- else if (ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer && !ctx->RasterDiscard) {
+ else if (ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer
+ && !ctx->RasterDiscard) {
/* Save current depth clear value, set to 'value', do the
* depth clear and restore the clear value.
* XXX in the future we may have a new ctx->Driver.ClearBuffer()
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glClearBufferfv(buffer=%s)",
- _mesa_lookup_enum_by_nr(buffer));
+ _mesa_enum_to_string(buffer));
return;
}
}
+/**
+ * The ClearBuffer framework is so complicated and so riddled with the
+ * assumption that the framebuffer is bound that, for now, we will just fake
+ * direct state access clearing for the user.
+ */
+void GLAPIENTRY
+_mesa_ClearNamedFramebufferfv(GLuint framebuffer, GLenum buffer,
+ GLint drawbuffer, const GLfloat *value)
+{
+ GLint oldfb;
+
+ _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &oldfb);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
+ _mesa_ClearBufferfv(buffer, drawbuffer, value);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, (GLuint) oldfb);
+}
+
+
/**
* New in GL 3.0
* Clear depth/stencil buffer only.
if (buffer != GL_DEPTH_STENCIL) {
_mesa_error(ctx, GL_INVALID_ENUM, "glClearBufferfi(buffer=%s)",
- _mesa_lookup_enum_by_nr(buffer));
+ _mesa_enum_to_string(buffer));
return;
}
ctx->Stencil.Clear = clearStencilSave;
}
}
+
+
+/**
+ * The ClearBuffer framework is so complicated and so riddled with the
+ * assumption that the framebuffer is bound that, for now, we will just fake
+ * direct state access clearing for the user.
+ */
+void GLAPIENTRY
+_mesa_ClearNamedFramebufferfi(GLuint framebuffer, GLenum buffer,
+ GLfloat depth, GLint stencil)
+{
+ GLint oldfb;
+
+ _mesa_GetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &oldfb);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
+ _mesa_ClearBufferfi(buffer, 0, depth, stencil);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, (GLuint) oldfb);
+}
projects / mesa.git / blobdiff