#include "main/imports.h"
#include "s_depth.h"
-#include "s_context.h"
#include "s_span.h"
* Return: number of fragments which pass the test.
*/
static GLuint
-depth_test_span16( GLcontext *ctx, GLuint n,
+depth_test_span16( struct gl_context *ctx, GLuint n,
GLushort zbuffer[], const GLuint z[], GLubyte mask[] )
{
GLuint passed = 0;
}
break;
case GL_NEVER:
- _mesa_bzero(mask, n * sizeof(GLubyte));
+ memset(mask, 0, n * sizeof(GLubyte));
break;
default:
_mesa_problem(ctx, "Bad depth func in depth_test_span16");
static GLuint
-depth_test_span32( GLcontext *ctx, GLuint n,
+depth_test_span32( struct gl_context *ctx, GLuint n,
GLuint zbuffer[], const GLuint z[], GLubyte mask[] )
{
GLuint passed = 0;
}
break;
case GL_NEVER:
- _mesa_bzero(mask, n * sizeof(GLubyte));
+ memset(mask, 0, n * sizeof(GLubyte));
break;
default:
_mesa_problem(ctx, "Bad depth func in depth_test_span32");
* [0,1] range.
*/
void
-_swrast_depth_clamp_span( GLcontext *ctx, SWspan *span )
+_swrast_depth_clamp_span( struct gl_context *ctx, SWspan *span )
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
const GLuint count = span->end;
/* Convert floating point values in [0,1] to device Z coordinates in
* [0, DepthMax].
- * ex: If the the Z buffer has 24 bits, DepthMax = 0xffffff.
+ * ex: If the Z buffer has 24 bits, DepthMax = 0xffffff.
*
* XXX this all falls apart if we have 31 or more bits of Z because
* the triangle rasterization code produces unsigned Z values. Negative
* Apply depth test to span of fragments.
*/
static GLuint
-depth_test_span( GLcontext *ctx, SWspan *span)
+depth_test_span( struct gl_context *ctx, SWspan *span)
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_renderbuffer *rb = fb->_DepthBuffer;
* Do depth testing for an array of fragments at assorted locations.
*/
static void
-direct_depth_test_pixels16(GLcontext *ctx, GLushort *zStart, GLuint stride,
+direct_depth_test_pixels16(struct gl_context *ctx, GLushort *zStart, GLuint stride,
GLuint n, const GLint x[], const GLint y[],
const GLuint z[], GLubyte mask[] )
{
break;
case GL_NEVER:
/* depth test never passes */
- _mesa_bzero(mask, n * sizeof(GLubyte));
+ memset(mask, 0, n * sizeof(GLubyte));
break;
default:
_mesa_problem(ctx, "Bad depth func in direct_depth_test_pixels");
* Do depth testing for an array of fragments with direct access to zbuffer.
*/
static void
-direct_depth_test_pixels32(GLcontext *ctx, GLuint *zStart, GLuint stride,
+direct_depth_test_pixels32(struct gl_context *ctx, GLuint *zStart, GLuint stride,
GLuint n, const GLint x[], const GLint y[],
const GLuint z[], GLubyte mask[] )
{
break;
case GL_NEVER:
/* depth test never passes */
- _mesa_bzero(mask, n * sizeof(GLubyte));
+ memset(mask, 0, n * sizeof(GLubyte));
break;
default:
_mesa_problem(ctx, "Bad depth func in direct_depth_test_pixels");
static GLuint
-depth_test_pixels( GLcontext *ctx, SWspan *span )
+depth_test_pixels( struct gl_context *ctx, SWspan *span )
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_renderbuffer *rb = fb->_DepthBuffer;
* \return approx number of pixels that passed (only zero is reliable)
*/
GLuint
-_swrast_depth_test_span( GLcontext *ctx, SWspan *span)
+_swrast_depth_test_span( struct gl_context *ctx, SWspan *span)
{
if (span->arrayMask & SPAN_XY)
return depth_test_pixels(ctx, span);
* \return GL_TRUE if any fragments pass, GL_FALSE if no fragments pass
*/
GLboolean
-_swrast_depth_bounds_test( GLcontext *ctx, SWspan *span )
+_swrast_depth_bounds_test( struct gl_context *ctx, SWspan *span )
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_renderbuffer *rb = fb->_DepthBuffer;
* _swrast_ReadPixels.
*/
void
-_swrast_read_depth_span_float( GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_read_depth_span_float( struct gl_context *ctx, struct gl_renderbuffer *rb,
GLint n, GLint x, GLint y, GLfloat depth[] )
{
const GLfloat scale = 1.0F / ctx->DrawBuffer->_DepthMaxF;
if (!rb) {
/* really only doing this to prevent FP exceptions later */
- _mesa_bzero(depth, n * sizeof(GLfloat));
+ memset(depth, 0, n * sizeof(GLfloat));
return;
}
if (y < 0 || y >= (GLint) rb->Height ||
x + n <= 0 || x >= (GLint) rb->Width) {
/* span is completely outside framebuffer */
- _mesa_bzero(depth, n * sizeof(GLfloat));
+ memset(depth, 0, n * sizeof(GLfloat));
return;
}
* As above, but return 32-bit GLuint values.
*/
void
-_swrast_read_depth_span_uint( GLcontext *ctx, struct gl_renderbuffer *rb,
+_swrast_read_depth_span_uint( struct gl_context *ctx, struct gl_renderbuffer *rb,
GLint n, GLint x, GLint y, GLuint depth[] )
{
GLuint depthBits;
if (!rb) {
/* really only doing this to prevent FP exceptions later */
- _mesa_bzero(depth, n * sizeof(GLuint));
+ memset(depth, 0, n * sizeof(GLuint));
return;
}
if (y < 0 || y >= (GLint) rb->Height ||
x + n <= 0 || x >= (GLint) rb->Width) {
/* span is completely outside framebuffer */
- _mesa_bzero(depth, n * sizeof(GLfloat));
+ memset(depth, 0, n * sizeof(GLfloat));
return;
}
* Clear the given z/depth renderbuffer.
*/
void
-_swrast_clear_depth_buffer( GLcontext *ctx, struct gl_renderbuffer *rb )
+_swrast_clear_depth_buffer( struct gl_context *ctx, struct gl_renderbuffer *rb )
{
GLuint clearValue;
GLint x, y, width, height;
/* optimized case */
GLushort *dst = (GLushort *) rb->GetPointer(ctx, rb, x, y);
GLuint len = width * height * sizeof(GLushort);
- _mesa_memset(dst, (clearValue & 0xff), len);
+ memset(dst, (clearValue & 0xff), len);
}
else {
/* general case */
projects / mesa.git / blobdiff