430 lines
11 KiB
C
430 lines
11 KiB
C
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#include "precomp.h"
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#pragma hdrstop
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#include "devlock.h"
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GLboolean __glGenCheckDrawPixelArgs(__GLcontext *gc,
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GLsizei width, GLsizei height, GLenum format, GLenum type)
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{
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GLboolean index;
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if ((width < 0) || (height < 0)) {
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__glSetError(GL_INVALID_VALUE);
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return GL_FALSE;
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}
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switch (format) {
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case GL_STENCIL_INDEX:
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if (!gc->modes.stencilBits) {
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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if (!gc->modes.haveStencilBuffer) {
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LazyAllocateStencil(gc);
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if (!gc->stencilBuffer.buf.base) {
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return GL_FALSE;
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}
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}
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index = GL_TRUE;
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break;
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case GL_COLOR_INDEX:
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index = GL_TRUE;
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break;
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case GL_RED:
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case GL_GREEN:
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case GL_BLUE:
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case GL_ALPHA:
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case GL_RGB:
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case GL_RGBA:
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case GL_LUMINANCE:
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case GL_LUMINANCE_ALPHA:
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#ifdef GL_EXT_bgra
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case GL_BGRA_EXT:
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case GL_BGR_EXT:
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#endif
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if (gc->modes.colorIndexMode) {
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/* Can't convert RGB to color index */
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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index = GL_FALSE;
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break;
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case GL_DEPTH_COMPONENT:
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if (!gc->modes.depthBits) {
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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if (!gc->modes.haveDepthBuffer) {
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LazyAllocateDepth(gc);
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if (!gc->depthBuffer.buf.base) {
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return GL_FALSE;
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}
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}
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index = GL_FALSE;
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break;
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default:
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__glSetError(GL_INVALID_ENUM);
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return GL_FALSE;
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}
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switch (type) {
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case GL_BITMAP:
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if (!index) {
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__glSetError(GL_INVALID_ENUM);
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return GL_FALSE;
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}
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break;
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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case GL_INT:
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case GL_UNSIGNED_INT:
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case GL_FLOAT:
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break;
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default:
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__glSetError(GL_INVALID_ENUM);
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return GL_FALSE;
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}
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return GL_TRUE;
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}
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GLboolean __glGenCheckReadPixelArgs(__GLcontext *gc,
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GLsizei width, GLsizei height, GLenum format, GLenum type)
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{
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if ((width < 0) || (height < 0)) {
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__glSetError(GL_INVALID_VALUE);
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return GL_FALSE;
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}
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switch (format) {
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case GL_STENCIL_INDEX:
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if (!gc->modes.stencilBits) {
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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if (!gc->modes.haveStencilBuffer) {
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LazyAllocateStencil(gc);
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if (!gc->stencilBuffer.buf.base) {
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return GL_FALSE;
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}
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}
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break;
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case GL_COLOR_INDEX:
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if (gc->modes.rgbMode) {
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/* Can't convert RGB to color index */
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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break;
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case GL_DEPTH_COMPONENT:
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if (!gc->modes.depthBits) {
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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if (!gc->modes.haveDepthBuffer) {
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LazyAllocateDepth(gc);
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if (!gc->depthBuffer.buf.base) {
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return GL_FALSE;
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}
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}
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break;
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case GL_RED:
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case GL_GREEN:
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case GL_BLUE:
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case GL_ALPHA:
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case GL_RGB:
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case GL_RGBA:
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case GL_LUMINANCE:
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case GL_LUMINANCE_ALPHA:
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#ifdef GL_EXT_bgra
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case GL_BGRA_EXT:
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case GL_BGR_EXT:
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#endif
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break;
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default:
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__glSetError(GL_INVALID_ENUM);
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return GL_FALSE;
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}
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switch (type) {
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case GL_BITMAP:
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if (format != GL_STENCIL_INDEX && format != GL_COLOR_INDEX) {
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__glSetError(GL_INVALID_OPERATION);
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return GL_FALSE;
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}
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break;
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case GL_BYTE:
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case GL_UNSIGNED_BYTE:
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case GL_SHORT:
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case GL_UNSIGNED_SHORT:
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case GL_INT:
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case GL_UNSIGNED_INT:
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case GL_FLOAT:
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break;
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default:
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__glSetError(GL_INVALID_ENUM);
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return GL_FALSE;
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}
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return GL_TRUE;
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}
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#ifdef NT
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void APIPRIVATE __glim_DrawPixels(GLsizei width, GLsizei height, GLenum format,
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GLenum type, const GLvoid *pixels, GLboolean _IsDlist)
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#else
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void APIPRIVATE __glim_DrawPixels(GLsizei width, GLsizei height, GLenum format,
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GLenum type, const GLvoid *pixels)
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#endif
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{
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__GL_SETUP();
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GLuint beginMode;
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BOOL bResetViewportAdj = FALSE;
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beginMode = gc->beginMode;
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if (beginMode != __GL_NOT_IN_BEGIN) {
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if (beginMode == __GL_NEED_VALIDATE) {
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(*gc->procs.validate)(gc);
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gc->beginMode = __GL_NOT_IN_BEGIN;
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__glim_DrawPixels(width, height, format,
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type, pixels, _IsDlist);
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return;
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} else {
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__glSetError(GL_INVALID_OPERATION);
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return;
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}
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}
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if (!__glGenCheckDrawPixelArgs(gc, width, height, format, type)) return;
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if (!gc->state.current.validRasterPos) {
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return;
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}
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if (gc->renderMode == GL_FEEDBACK) {
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__glFeedbackDrawPixels(gc, &gc->state.current.rasterPos);
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return;
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}
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if (gc->renderMode != GL_RENDER)
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return;
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#ifdef _MCD_
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// If MCD context, give driver first crack at call. If it succeeds,
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// return. Otherwise, continue on with the generic version.
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{
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__GLGENcontext *gengc = (__GLGENcontext *) gc;
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if (gengc->pMcdState) {
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if (GenMcdDrawPix(gengc, width, height, format, type,
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(VOID *) pixels, _IsDlist))
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return;
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// If MCD kicked back, now is the time to grab the device lock if
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// needed. If we can't, abandon the call.
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if (!glsrvLazyGrabSurfaces(gengc, RENDER_LOCK_FLAGS))
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return;
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// We may need to temporarily reset the viewport adjust values
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// before calling simulations. If GenMcdResetViewportAdj returns
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// TRUE, the viewport is changed and we need restore later with
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// VP_NOBIAS.
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bResetViewportAdj = GenMcdResetViewportAdj(gc, VP_FIXBIAS);
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}
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}
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#endif
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#ifdef NT
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if (_IsDlist)
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{
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(*gc->procs.drawPixels)(gc, width, height, format, type, pixels, GL_TRUE);
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}
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else
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{
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#endif
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(*gc->procs.drawPixels)(gc, width, height, format, type, pixels, GL_FALSE);
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#ifdef NT
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}
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#endif
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// Restore viewport values if needed.
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if (bResetViewportAdj)
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{
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GenMcdResetViewportAdj(gc, VP_NOBIAS);
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}
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}
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void APIPRIVATE __glim_ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
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GLenum format, GLenum type, GLvoid *buf)
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{
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__GL_SETUP();
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GLuint beginMode;
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BOOL bResetViewportAdj = FALSE;
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beginMode = gc->beginMode;
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if (beginMode != __GL_NOT_IN_BEGIN) {
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if (beginMode == __GL_NEED_VALIDATE) {
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(*gc->procs.validate)(gc);
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gc->beginMode = __GL_NOT_IN_BEGIN;
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__glim_ReadPixels(x,y,width,height,
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format,type,buf);
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return;
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} else {
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__glSetError(GL_INVALID_OPERATION);
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return;
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}
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}
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if (!__glGenCheckReadPixelArgs(gc, width, height, format, type))
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return;
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#ifdef _MCD_
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// If MCD context, give driver first crack at call. If it succeeds,
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// return. Otherwise, continue on with the generic version.
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{
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__GLGENcontext *gengc = (__GLGENcontext *) gc;
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if (gengc->pMcdState) {
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if (GenMcdReadPix(gengc, x, y, width, height, format, type, buf))
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return;
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// If MCD kicked back, now is the time to grab the device lock if
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// needed. If we can't, abandon the call.
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if (!glsrvLazyGrabSurfaces(gengc,
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COLOR_LOCK_FLAGS | DEPTH_LOCK_FLAGS))
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return;
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// We may need to temporarily reset the viewport adjust values
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// before calling simulations. If GenMcdResetViewportAdj returns
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// TRUE, the viewport is changed and we need restore later with
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// VP_NOBIAS.
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bResetViewportAdj = GenMcdResetViewportAdj(gc, VP_FIXBIAS);
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}
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}
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#endif
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(*gc->procs.readPixels)(gc, x, y, width, height, format, type, buf);
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// Restore viewport values if needed.
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if (bResetViewportAdj)
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{
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GenMcdResetViewportAdj(gc, VP_NOBIAS);
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}
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}
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void APIPRIVATE __glim_CopyPixels(GLint x, GLint y, GLsizei width, GLsizei height,
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GLenum type)
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{
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GLenum format;
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__GL_SETUP();
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GLuint beginMode;
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BOOL bResetViewportAdj = FALSE;
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beginMode = gc->beginMode;
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if (beginMode != __GL_NOT_IN_BEGIN) {
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if (beginMode == __GL_NEED_VALIDATE) {
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(*gc->procs.validate)(gc);
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gc->beginMode = __GL_NOT_IN_BEGIN;
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__glim_CopyPixels(x,y,width,height,type);
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return;
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} else {
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__glSetError(GL_INVALID_OPERATION);
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return;
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}
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}
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if ((width < 0) || (height < 0)) {
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__glSetError(GL_INVALID_VALUE);
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return;
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}
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switch (type) {
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case GL_STENCIL:
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if (!gc->modes.stencilBits) {
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__glSetError(GL_INVALID_OPERATION);
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return;
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}
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if (!gc->modes.haveStencilBuffer) {
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LazyAllocateStencil(gc);
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if (!gc->stencilBuffer.buf.base) {
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return;
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}
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}
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format = GL_STENCIL_INDEX;
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break;
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case GL_COLOR:
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if (gc->modes.rgbMode) {
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format = GL_RGBA;
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} else {
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format = GL_COLOR_INDEX;
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}
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break;
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case GL_DEPTH:
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if (!gc->modes.depthBits) {
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__glSetError(GL_INVALID_OPERATION);
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return;
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}
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if (!gc->modes.haveDepthBuffer) {
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LazyAllocateDepth(gc);
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if (!gc->depthBuffer.buf.base) {
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return;
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}
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}
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format = GL_DEPTH_COMPONENT;
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break;
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default:
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__glSetError(GL_INVALID_ENUM);
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return;
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}
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if (!gc->state.current.validRasterPos) {
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return;
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}
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if (gc->renderMode == GL_FEEDBACK) {
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__glFeedbackCopyPixels(gc, &gc->state.current.rasterPos);
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return;
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}
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if (gc->renderMode != GL_RENDER)
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return;
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#ifdef _MCD_
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// If MCD context, give driver first crack at call. If it succeeds,
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// return. Otherwise, continue on with the generic version.
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||
|
|
{
|
||
|
|
__GLGENcontext *gengc = (__GLGENcontext *) gc;
|
||
|
|
|
||
|
|
if (gengc->pMcdState) {
|
||
|
|
if (GenMcdCopyPix(gengc, x, y, width, height, type))
|
||
|
|
return;
|
||
|
|
|
||
|
|
// If MCD kicked back, now is the time to grab the device lock if
|
||
|
|
// needed. If we can't, abandon the call.
|
||
|
|
|
||
|
|
if (!glsrvLazyGrabSurfaces(gengc, RENDER_LOCK_FLAGS))
|
||
|
|
return;
|
||
|
|
|
||
|
|
// We may need to temporarily reset the viewport adjust values
|
||
|
|
// before calling simulations. If GenMcdResetViewportAdj returns
|
||
|
|
// TRUE, the viewport is changed and we need restore later with
|
||
|
|
// VP_NOBIAS.
|
||
|
|
|
||
|
|
bResetViewportAdj = GenMcdResetViewportAdj(gc, VP_FIXBIAS);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
(*gc->procs.copyPixels)(gc, x, y, width, height, format);
|
||
|
|
|
||
|
|
// Restore viewport values if needed.
|
||
|
|
|
||
|
|
if (bResetViewportAdj)
|
||
|
|
{
|
||
|
|
GenMcdResetViewportAdj(gc, VP_NOBIAS);
|
||
|
|
}
|
||
|
|
}
|