From: Brian Date: Wed, 31 Oct 2007 21:27:09 +0000 (-0600) Subject: move surface clear functions to xm_buffer.c X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8d0d6f04a15f31c4491966767c547fe1ffbeb362;p=mesa.git move surface clear functions to xm_buffer.c --- diff --git a/src/mesa/pipe/xlib/xm_buffer.c b/src/mesa/pipe/xlib/xm_buffer.c index 56b797a6a98..183a7ec8f5c 100644 --- a/src/mesa/pipe/xlib/xm_buffer.c +++ b/src/mesa/pipe/xlib/xm_buffer.c @@ -261,6 +261,146 @@ finish_surface_init(GLcontext *ctx, struct xmesa_renderbuffer *xrb) } +/** + * Clear the front or back color buffer, if it's implemented with a pixmap. + */ +static void +clear_pixmap(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); + + assert(xmbuf); + assert(xrb->pixmap); + assert(xmesa); + assert(xmesa->display); + assert(xrb->pixmap); + assert(xmbuf->cleargc); + + XMesaSetForeground( xmesa->display, xmbuf->cleargc, value ); + + XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc, + 0, 0, xrb->St.Base.Width, xrb->St.Base.Height); +} + + +static void +clear_8bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + GLint width = xrb->St.Base.Width; + GLint height = xrb->St.Base.Height; + GLint i; + for (i = 0; i < height; i++) { + GLubyte *ptr = PIXEL_ADDR1(xrb, 0, i); + MEMSET( ptr, xmesa->clearpixel, width ); + } +} + + +static void +clear_16bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + GLint width = xrb->St.Base.Width; + GLint height = xrb->St.Base.Height; + GLint i, j; + + if (xmesa->swapbytes) { + value = ((value >> 8) & 0x00ff) | ((value << 8) & 0xff00); + } + + for (j = 0; j < height; j++) { + GLushort *ptr2 = PIXEL_ADDR2(xrb, 0, j); + for (i = 0; i < width; i++) { + ptr2[i] = value; + } + } +} + + +/* Optimized code provided by Nozomi Ytow */ +static void +clear_24bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLuint value) +{ + GLint width = xrb->St.Base.Width; + GLint height = xrb->St.Base.Height; + const GLubyte r = (value ) & 0xff; + const GLubyte g = (value >> 8) & 0xff; + const GLubyte b = (value >> 16) & 0xff; + + if (r == g && g == b) { + /* same value for all three components (gray) */ + GLint j; + for (j = 0; j < height; j++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, j); + MEMSET(ptr3, r, 3 * width); + } + } + else { + /* non-gray clear color */ + GLint i, j; + for (j = 0; j < height; j++) { + bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, j); + for (i = 0; i < width; i++) { + ptr3->r = r; + ptr3->g = g; + ptr3->b = b; + ptr3++; + } + } + } +} + + +static void +clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, + GLuint value) +{ + const XMesaContext xmesa = XMESA_CONTEXT(ctx); + GLint width = xrb->St.Base.Width; + GLint height = xrb->St.Base.Height; + const GLuint n = width * height; + GLuint *ptr4 = (GLuint *) xrb->ximage->data; + + if (!xrb->ximage) + return; + + if (xmesa->swapbytes) { + value = ((value >> 24) & 0x000000ff) + | ((value >> 8) & 0x0000ff00) + | ((value << 8) & 0x00ff0000) + | ((value << 24) & 0xff000000); + } + + if (value == 0) { + /* common case */ + _mesa_memset(ptr4, value, 4 * n); + } + else { + GLuint i; + for (i = 0; i < n; i++) + ptr4[i] = value; + } +} + + +static void +clear_nbit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) +{ + XMesaImage *img = xrb->ximage; + GLint width = xrb->St.Base.Width; + GLint height = xrb->St.Base.Height; + GLint i, j; + for (j = 0; j < height; j++) { + for (i = 0; i < width; i++) { + XMesaPutPixel(img, i, j, value); + } + } +} + + /** * Reallocate renderbuffer storage for front color buffer. * Called via gl_renderbuffer::AllocStorage() @@ -269,6 +409,7 @@ static GLboolean xmesa_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb, GLenum internalFormat, GLuint width, GLuint height) { + const XMesaContext xmesa = XMESA_CONTEXT(ctx); struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(rb); /* just clear these to be sure we don't accidentally use them */ @@ -287,6 +428,11 @@ xmesa_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb, if (!xrb->St.surface || !xrb->St.surface->region) finish_surface_init(ctx, xrb); + xmesa_set_renderbuffer_funcs(xrb, xmesa->pixelformat, + xmesa->xm_visual->BitsPerPixel); + + xrb->clearFunc = clear_pixmap; + xrb->St.surface->width = width; xrb->St.surface->height = height; @@ -302,6 +448,7 @@ static GLboolean xmesa_alloc_back_storage(GLcontext *ctx, struct gl_renderbuffer *rb, GLenum internalFormat, GLuint width, GLuint height) { + const XMesaContext xmesa = XMESA_CONTEXT(ctx); struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(rb); /* reallocate the back buffer XImage or Pixmap */ @@ -339,6 +486,27 @@ xmesa_alloc_back_storage(GLcontext *ctx, struct gl_renderbuffer *rb, xrb->origin4 = NULL; } + xmesa_set_renderbuffer_funcs(xrb, xmesa->pixelformat, + xmesa->xm_visual->BitsPerPixel); + + switch (xmesa->xm_visual->BitsPerPixel) { + case 8: + xrb->clearFunc = clear_8bit_ximage; + break; + case 16: + xrb->clearFunc = clear_16bit_ximage; + break; + case 24: + xrb->clearFunc = clear_24bit_ximage; + break; + case 32: + xrb->clearFunc = clear_32bit_ximage; + break; + default: + xrb->clearFunc = clear_nbit_ximage; + break; + } + if (!xrb->St.surface || !xrb->St.surface->region) finish_surface_init(ctx, xrb); diff --git a/src/mesa/pipe/xlib/xm_dd.c b/src/mesa/pipe/xlib/xm_dd.c index 46bd3c85d23..862a55381f3 100644 --- a/src/mesa/pipe/xlib/xm_dd.c +++ b/src/mesa/pipe/xlib/xm_dd.c @@ -75,151 +75,6 @@ finish_or_flush( GLcontext *ctx ) } -/**********************************************************************/ -/*** glClear implementations ***/ -/**********************************************************************/ - - -/** - * Clear the front or back color buffer, if it's implemented with a pixmap. - */ -static void -clear_pixmap(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) -{ - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer); - - assert(xmbuf); - assert(xrb->pixmap); - assert(xmesa); - assert(xmesa->display); - assert(xrb->pixmap); - assert(xmbuf->cleargc); - - XMesaSetForeground( xmesa->display, xmbuf->cleargc, value ); - - XMesaFillRectangle( xmesa->display, xrb->pixmap, xmbuf->cleargc, - 0, 0, xrb->St.Base.Width, xrb->St.Base.Height); -} - - -static void -clear_8bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) -{ - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - GLint width = xrb->St.Base.Width; - GLint height = xrb->St.Base.Height; - GLint i; - for (i = 0; i < height; i++) { - GLubyte *ptr = PIXEL_ADDR1(xrb, 0, i); - MEMSET( ptr, xmesa->clearpixel, width ); - } -} - - -static void -clear_16bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) -{ - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - GLint width = xrb->St.Base.Width; - GLint height = xrb->St.Base.Height; - GLint i, j; - - if (xmesa->swapbytes) { - value = ((value >> 8) & 0x00ff) | ((value << 8) & 0xff00); - } - - for (j = 0; j < height; j++) { - GLushort *ptr2 = PIXEL_ADDR2(xrb, 0, j); - for (i = 0; i < width; i++) { - ptr2[i] = value; - } - } -} - - -/* Optimized code provided by Nozomi Ytow */ -static void -clear_24bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, - GLuint value) -{ - GLint width = xrb->St.Base.Width; - GLint height = xrb->St.Base.Height; - const GLubyte r = (value ) & 0xff; - const GLubyte g = (value >> 8) & 0xff; - const GLubyte b = (value >> 16) & 0xff; - - if (r == g && g == b) { - /* same value for all three components (gray) */ - GLint j; - for (j = 0; j < height; j++) { - bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, j); - MEMSET(ptr3, r, 3 * width); - } - } - else { - /* non-gray clear color */ - GLint i, j; - for (j = 0; j < height; j++) { - bgr_t *ptr3 = PIXEL_ADDR3(xrb, 0, j); - for (i = 0; i < width; i++) { - ptr3->r = r; - ptr3->g = g; - ptr3->b = b; - ptr3++; - } - } - } -} - - -static void -clear_32bit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, - GLuint value) -{ - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - GLint width = xrb->St.Base.Width; - GLint height = xrb->St.Base.Height; - const GLuint n = width * height; - GLuint *ptr4 = (GLuint *) xrb->ximage->data; - - if (!xrb->ximage) - return; - - if (xmesa->swapbytes) { - value = ((value >> 24) & 0x000000ff) - | ((value >> 8) & 0x0000ff00) - | ((value << 8) & 0x00ff0000) - | ((value << 24) & 0xff000000); - } - - if (value == 0) { - /* common case */ - _mesa_memset(ptr4, value, 4 * n); - } - else { - GLuint i; - for (i = 0; i < n; i++) - ptr4[i] = value; - } -} - - -static void -clear_nbit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) -{ - XMesaImage *img = xrb->ximage; - GLint width = xrb->St.Base.Width; - GLint height = xrb->St.Base.Height; - GLint i, j; - for (j = 0; j < height; j++) { - for (i = 0; i < width; i++) { - XMesaPutPixel(img, i, j, value); - } - } -} - - /** * Called when the driver should update its state, based on the new_state * flags. @@ -227,7 +82,9 @@ clear_nbit_ximage(GLcontext *ctx, struct xmesa_renderbuffer *xrb, GLuint value) void xmesa_update_state( GLcontext *ctx, GLbitfield new_state ) { +#if 0 const XMesaContext xmesa = XMESA_CONTEXT(ctx); +#endif st_invalidate_state( ctx, new_state ); @@ -245,13 +102,16 @@ xmesa_update_state( GLcontext *ctx, GLbitfield new_state ) front_xrb = xmbuf->frontxrb; if (front_xrb) { +#if 0 xmesa_set_renderbuffer_funcs(front_xrb, xmesa->pixelformat, xmesa->xm_visual->BitsPerPixel); front_xrb->clearFunc = clear_pixmap; +#endif } back_xrb = xmbuf->backxrb; if (back_xrb) { +#if 0 xmesa_set_renderbuffer_funcs(back_xrb, xmesa->pixelformat, xmesa->xm_visual->BitsPerPixel); if (xmbuf->backxrb->pixmap) { @@ -276,6 +136,7 @@ xmesa_update_state( GLcontext *ctx, GLbitfield new_state ) break; } } +#endif } } }