OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mesa: refactor: move scissor functions into new scissor.c file

Browse Source 
(cherry picked from commit 4be7296bfc)
This commit is contained in:
Brian Paul
2008-06-09 14:55:24 -06:00
committed by Keith Whitwell
parent 18d2822905
commit 55e341c4c2
9 changed files with 151 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
src/mesa/main/buffers.c
View File

@@ -751,79 +751,6 @@ _mesa_SampleCoverageARB(GLclampf value, GLboolean invert)
/**
* Define the scissor box.
*
* \param x, y coordinates of the scissor box lower-left corner.
* \param width width of the scissor box.
* \param height height of the scissor box.
*
* \sa glScissor().
*
* Verifies the parameters and updates __GLcontextRec::Scissor. On a
* change flushes the vertices and notifies the driver via
* the dd_function_table::Scissor callback.
*/
void
_mesa_set_scissor(GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height)
{
if (x == ctx->Scissor.X &&
y == ctx->Scissor.Y &&
width == ctx->Scissor.Width &&
height == ctx->Scissor.Height)
return;
FLUSH_VERTICES(ctx, _NEW_SCISSOR);
ctx->Scissor.X = x;
ctx->Scissor.Y = y;
ctx->Scissor.Width = width;
ctx->Scissor.Height = height;
if (ctx->Driver.Scissor)
ctx->Driver.Scissor( ctx, x, y, width, height );
}
void GLAPIENTRY
_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glScissor" );
return;
}
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glScissor %d %d %d %d\n", x, y, width, height);
_mesa_set_scissor(ctx, x, y, width, height);
}
/**********************************************************************/
/** \name Initialization */
/*@{*/
/**
* Initialize the context's scissor state.
* \param ctx the GL context.
*/
void
_mesa_init_scissor(GLcontext *ctx)
{
/* Scissor group */
ctx->Scissor.Enabled = GL_FALSE;
ctx->Scissor.X = 0;
ctx->Scissor.Y = 0;
ctx->Scissor.Width = 0;
ctx->Scissor.Height = 0;
}
/**
* Initialize the context's multisample state.
* \param ctx the GL context.
@@ -838,5 +765,3 @@ _mesa_init_multisample(GLcontext *ctx)
ctx->Multisample.SampleCoverageValue = 1.0;
ctx->Multisample.SampleCoverageInvert = GL_FALSE;
}
/*@}*/