From: Dave Airlie Date: Tue, 10 Mar 2009 09:03:07 +0000 (+1000) Subject: r200: enable hw clears X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=14c3bddbac8f9fc8e432137772f0c4772fdfb7ab;p=mesa.git r200: enable hw clears --- diff --git a/src/mesa/drivers/dri/r200/r200_context.h b/src/mesa/drivers/dri/r200/r200_context.h index fcbe725d6fc..f7bad2a2414 100644 --- a/src/mesa/drivers/dri/r200/r200_context.h +++ b/src/mesa/drivers/dri/r200/r200_context.h @@ -621,6 +621,21 @@ struct r200_context { GLboolean texmicrotile; struct ati_fragment_shader *afs_loaded; + + struct { + struct gl_fragment_program *bitmap_fp; + struct gl_vertex_program *passthrough_vp; + + struct gl_fragment_program *saved_fp; + GLboolean saved_fp_enable; + struct gl_vertex_program *saved_vp; + GLboolean saved_vp_enable; + + GLint saved_vp_x, saved_vp_y; + GLsizei saved_vp_width, saved_vp_height; + GLenum saved_matrix_mode; + } meta; + }; #define R200_CONTEXT(ctx) ((r200ContextPtr)(ctx->DriverCtx)) diff --git a/src/mesa/drivers/dri/r200/r200_ioctl.c b/src/mesa/drivers/dri/r200/r200_ioctl.c index 1ab5a82a4db..96ed49665b2 100644 --- a/src/mesa/drivers/dri/r200/r200_ioctl.c +++ b/src/mesa/drivers/dri/r200/r200_ioctl.c @@ -41,6 +41,20 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include "main/context.h" #include "swrast/swrast.h" +#include "main/blend.h" +#include "main/bufferobj.h" +#include "main/buffers.h" +#include "main/depth.h" +#include "main/shaders.h" +#include "main/texstate.h" +#include "main/varray.h" +#include "glapi/dispatch.h" +#include "swrast/swrast.h" +#include "main/stencil.h" +#include "main/matrix.h" +#include "main/attrib.h" +#include "main/enable.h" + #include "radeon_common.h" #include "radeon_lock.h" #include "r200_context.h" @@ -56,35 +70,220 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #define R200_TIMEOUT 512 #define R200_IDLE_RETRY 16 -static void r200UserClear(GLcontext *ctx, GLuint flags) +static void +r200_meta_set_passthrough_transform(r200ContextPtr r200) { - GLuint mask = 0; + GLcontext *ctx = r200->radeon.glCtx; - if (flags & RADEON_FRONT) - mask |= BUFFER_BIT_FRONT_LEFT; + r200->meta.saved_vp_x = ctx->Viewport.X; + r200->meta.saved_vp_y = ctx->Viewport.Y; + r200->meta.saved_vp_width = ctx->Viewport.Width; + r200->meta.saved_vp_height = ctx->Viewport.Height; + r200->meta.saved_matrix_mode = ctx->Transform.MatrixMode; - if (flags & RADEON_BACK) - mask |= BUFFER_BIT_BACK_LEFT; + _mesa_Viewport(0, 0, ctx->DrawBuffer->Width, ctx->DrawBuffer->Height); - if (flags & RADEON_DEPTH) - mask |= BUFFER_BIT_DEPTH; + _mesa_MatrixMode(GL_PROJECTION); + _mesa_PushMatrix(); + _mesa_LoadIdentity(); + _mesa_Ortho(0, ctx->DrawBuffer->Width, 0, ctx->DrawBuffer->Height, 1, -1); - if (flags & RADEON_STENCIL) - mask |= BUFFER_BIT_STENCIL; + _mesa_MatrixMode(GL_MODELVIEW); + _mesa_PushMatrix(); + _mesa_LoadIdentity(); +} + +static void +r200_meta_restore_transform(r200ContextPtr r200) +{ + _mesa_MatrixMode(GL_PROJECTION); + _mesa_PopMatrix(); + _mesa_MatrixMode(GL_MODELVIEW); + _mesa_PopMatrix(); -#if 1 - _swrast_Clear(ctx, mask); -#else - if (flags & (RADEON_FRONT | RADEON_BACK)) { + _mesa_MatrixMode(r200->meta.saved_matrix_mode); + _mesa_Viewport(r200->meta.saved_vp_x, r200->meta.saved_vp_y, + r200->meta.saved_vp_width, r200->meta.saved_vp_height); +} +/** + * Perform glClear where mask contains only color, depth, and/or stencil. + * + * The implementation is based on calling into Mesa to set GL state and + * performing normal triangle rendering. The intent of this path is to + * have as generic a path as possible, so that any driver could make use of + * it. + */ +static void radeon_clear_tris(GLcontext *ctx, GLbitfield mask) +{ + r200ContextPtr rmesa = R200_CONTEXT(ctx); + GLfloat vertices[4][3]; + GLfloat color[4][4]; + GLfloat dst_z; + struct gl_framebuffer *fb = ctx->DrawBuffer; + int i; + GLboolean saved_fp_enable = GL_FALSE, saved_vp_enable = GL_FALSE; + GLboolean saved_shader_program = 0; + unsigned int saved_active_texture; + + assert((mask & ~(BUFFER_BIT_BACK_LEFT | BUFFER_BIT_FRONT_LEFT | + BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) == 0); + + _mesa_PushAttrib(GL_COLOR_BUFFER_BIT | + GL_CURRENT_BIT | + GL_DEPTH_BUFFER_BIT | + GL_ENABLE_BIT | + GL_STENCIL_BUFFER_BIT | + GL_TRANSFORM_BIT | + GL_CURRENT_BIT); + _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT); + saved_active_texture = ctx->Texture.CurrentUnit; + + /* Disable existing GL state we don't want to apply to a clear. */ + _mesa_Disable(GL_ALPHA_TEST); + _mesa_Disable(GL_BLEND); + _mesa_Disable(GL_CULL_FACE); + _mesa_Disable(GL_FOG); + _mesa_Disable(GL_POLYGON_SMOOTH); + _mesa_Disable(GL_POLYGON_STIPPLE); + _mesa_Disable(GL_POLYGON_OFFSET_FILL); + _mesa_Disable(GL_LIGHTING); + _mesa_Disable(GL_CLIP_PLANE0); + _mesa_Disable(GL_CLIP_PLANE1); + _mesa_Disable(GL_CLIP_PLANE2); + _mesa_Disable(GL_CLIP_PLANE3); + _mesa_Disable(GL_CLIP_PLANE4); + _mesa_Disable(GL_CLIP_PLANE5); + if (ctx->Extensions.ARB_fragment_program && ctx->FragmentProgram.Enabled) { + saved_fp_enable = GL_TRUE; + _mesa_Disable(GL_FRAGMENT_PROGRAM_ARB); + } + if (ctx->Extensions.ARB_vertex_program && ctx->VertexProgram.Enabled) { + saved_vp_enable = GL_TRUE; + _mesa_Disable(GL_VERTEX_PROGRAM_ARB); + } + if (ctx->Extensions.ARB_shader_objects && ctx->Shader.CurrentProgram) { + saved_shader_program = ctx->Shader.CurrentProgram->Name; + _mesa_UseProgramObjectARB(0); + } + + if (ctx->Texture._EnabledUnits != 0) { + int i; + + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + _mesa_ActiveTextureARB(GL_TEXTURE0 + i); + _mesa_Disable(GL_TEXTURE_1D); + _mesa_Disable(GL_TEXTURE_2D); + _mesa_Disable(GL_TEXTURE_3D); + if (ctx->Extensions.ARB_texture_cube_map) + _mesa_Disable(GL_TEXTURE_CUBE_MAP_ARB); + if (ctx->Extensions.NV_texture_rectangle) + _mesa_Disable(GL_TEXTURE_RECTANGLE_NV); + if (ctx->Extensions.MESA_texture_array) { + _mesa_Disable(GL_TEXTURE_1D_ARRAY_EXT); + _mesa_Disable(GL_TEXTURE_2D_ARRAY_EXT); + } + } + } + + r200_meta_set_passthrough_transform(rmesa); + + for (i = 0; i < 4; i++) { + color[i][0] = ctx->Color.ClearColor[0]; + color[i][1] = ctx->Color.ClearColor[1]; + color[i][2] = ctx->Color.ClearColor[2]; + color[i][3] = ctx->Color.ClearColor[3]; } - - if ((flags & (RADEON_DEPTH | RADEON_STENCIL)) - && (flags & RADEON_CLEAR_FASTZ)) { + /* convert clear Z from [0,1] to NDC coord in [-1,1] */ + dst_z = -1.0 + 2.0 * ctx->Depth.Clear; + + /* Prepare the vertices, which are the same regardless of which buffer we're + * drawing to. + */ + vertices[0][0] = fb->_Xmin; + vertices[0][1] = fb->_Ymin; + vertices[0][2] = dst_z; + vertices[1][0] = fb->_Xmax; + vertices[1][1] = fb->_Ymin; + vertices[1][2] = dst_z; + vertices[2][0] = fb->_Xmax; + vertices[2][1] = fb->_Ymax; + vertices[2][2] = dst_z; + vertices[3][0] = fb->_Xmin; + vertices[3][1] = fb->_Ymax; + vertices[3][2] = dst_z; + + _mesa_ColorPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &color); + _mesa_VertexPointer(3, GL_FLOAT, 3 * sizeof(GLfloat), &vertices); + _mesa_Enable(GL_COLOR_ARRAY); + _mesa_Enable(GL_VERTEX_ARRAY); + + while (mask != 0) { + GLuint this_mask = 0; + + if (mask & BUFFER_BIT_BACK_LEFT) + this_mask = BUFFER_BIT_BACK_LEFT; + else if (mask & BUFFER_BIT_FRONT_LEFT) + this_mask = BUFFER_BIT_FRONT_LEFT; + + /* Clear depth/stencil in the same pass as color. */ + this_mask |= (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)); + + /* Select the current color buffer and use the color write mask if + * we have one, otherwise don't write any color channels. + */ + if (this_mask & BUFFER_BIT_FRONT_LEFT) + _mesa_DrawBuffer(GL_FRONT_LEFT); + else if (this_mask & BUFFER_BIT_BACK_LEFT) + _mesa_DrawBuffer(GL_BACK_LEFT); + else + _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); + + /* Control writing of the depth clear value to depth. */ + if (this_mask & BUFFER_BIT_DEPTH) { + _mesa_DepthFunc(GL_ALWAYS); + _mesa_Enable(GL_DEPTH_TEST); + } else { + _mesa_Disable(GL_DEPTH_TEST); + _mesa_DepthMask(GL_FALSE); + } + + /* Control writing of the stencil clear value to stencil. */ + if (this_mask & BUFFER_BIT_STENCIL) { + _mesa_Enable(GL_STENCIL_TEST); + _mesa_StencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE); + _mesa_StencilFuncSeparate(GL_FRONT, GL_ALWAYS, ctx->Stencil.Clear, + ctx->Stencil.WriteMask[0]); + } else { + _mesa_Disable(GL_STENCIL_TEST); + } + + CALL_DrawArrays(ctx->Exec, (GL_TRIANGLE_FAN, 0, 4)); + + mask &= ~this_mask; } -#endif + + r200_meta_restore_transform(rmesa); + + _mesa_ActiveTextureARB(GL_TEXTURE0 + saved_active_texture); + if (saved_fp_enable) + _mesa_Enable(GL_FRAGMENT_PROGRAM_ARB); + if (saved_vp_enable) + _mesa_Enable(GL_VERTEX_PROGRAM_ARB); + + if (saved_shader_program) + _mesa_UseProgramObjectARB(saved_shader_program); + + _mesa_PopClientAttrib(); + _mesa_PopAttrib(); +} + + +static void r200UserClear(GLcontext *ctx, GLuint mask) +{ + radeon_clear_tris(ctx, mask); } static void r200KernelClear(GLcontext *ctx, GLuint flags) @@ -218,6 +417,7 @@ static void r200Clear( GLcontext *ctx, GLbitfield mask ) GLuint flags = 0; GLuint color_mask = 0; GLint ret; + GLuint orig_mask = mask; if ( R200_DEBUG & DEBUG_IOCTL ) { fprintf( stderr, "r200Clear %x %d\n", mask, rmesa->radeon.sarea->pfCurrentPage); @@ -275,7 +475,7 @@ static void r200Clear( GLcontext *ctx, GLbitfield mask ) } if (rmesa->radeon.radeonScreen->kernel_mm) - r200UserClear(ctx, flags); + r200UserClear(ctx, orig_mask); else r200KernelClear(ctx, flags);